Difference between revisions of "Prophecy to Achaz – Calamity or Consolation/2"

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<point><b>Anger regarding the sign</b> – According to this approach, despite Yeshayahu's anger at Achaz for refusing a Divine sign, the prophet continues to promise Hashem's aid and encourage the king that he has nothing to fear from his enemies.</point>
 
<point><b>Anger regarding the sign</b> – According to this approach, despite Yeshayahu's anger at Achaz for refusing a Divine sign, the prophet continues to promise Hashem's aid and encourage the king that he has nothing to fear from his enemies.</point>
 
<point><b>"יָבִיא י"י עָלֶיךָ... יָמִים אֲשֶׁר לֹא בָאוּ לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה"</b> – Despite first impressions, these words need not connote that calamity is to befall Yehuda, as the term "יָבִיא י"י עָלֶיךָ" can relate to good tidings as well as bad.<fn>See, for instance, Bereshit 18:19 where Hashem speaks of bringing blessing to Avraham or Devarim 28:2 where Hashem promises rewards for obedience, " וּבָאוּ עָלֶיךָ כׇּל הַבְּרָכוֹת הָאֵלֶּה".</fn>&#160; Yeshayahu is prophesying that with the fall of Israel at the hand of Assyria,<fn>Even though the Northern Kingdom is not totally exiled in this period, Tiglat Pilesser's attack marks the beginning of the end.</fn> the state of the nation will revert to what it had been before the split of the kingdom (לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה), when there was just one monarch who ruled over the entire country.<fn>This reading would work better had the verse not ended with the words "אֵת מֶלֶךְ אַשּׁוּר" which suggests that Hashem is not only bringing upon Yehuda an era comparable to that of the United Monarchy, but also bringing upon him Assyria.&#160; This position would respond that the words "אֵת מֶלֶךְ אַשּׁוּר" only come to explain how the revolutionary change is to take place.&#160; When Assyria conquers Israel, there will be an opportunity to revert back to the conditions that existed before the split of the kingdom.&#160; <br/>It is also possible that the term "יָבִיא י"י עָלֶיךָ" simply means that tumultuous events are to occur which Yehuda will be witness to and affected by. Assyria is to decimate and exile Ephraim, an event which will be similar in gravity to the split of the kingdom (even if it won't bring full control back to Yehuda).</fn> This might reflect hopes that Chizkiyahu was to revive the Davidic dynasty of old,<fn>This would explain why Yeshayhau says that events are to affect not only Achaz and the nation("עָלֶיךָ וְעַל עַמְּךָ"), but also "בֵּית אָבִיךָ", his individual line and dynasty .</fn> take control of the Northern kingdom, and be a Messianic type of figure.<fn>See R. Moshe ibn Chiquitilla and Shadal who understand Yeshayahu 11 and the promises there to refer to Chizkiyahu.</fn></point>
 
<point><b>"יָבִיא י"י עָלֶיךָ... יָמִים אֲשֶׁר לֹא בָאוּ לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה"</b> – Despite first impressions, these words need not connote that calamity is to befall Yehuda, as the term "יָבִיא י"י עָלֶיךָ" can relate to good tidings as well as bad.<fn>See, for instance, Bereshit 18:19 where Hashem speaks of bringing blessing to Avraham or Devarim 28:2 where Hashem promises rewards for obedience, " וּבָאוּ עָלֶיךָ כׇּל הַבְּרָכוֹת הָאֵלֶּה".</fn>&#160; Yeshayahu is prophesying that with the fall of Israel at the hand of Assyria,<fn>Even though the Northern Kingdom is not totally exiled in this period, Tiglat Pilesser's attack marks the beginning of the end.</fn> the state of the nation will revert to what it had been before the split of the kingdom (לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה), when there was just one monarch who ruled over the entire country.<fn>This reading would work better had the verse not ended with the words "אֵת מֶלֶךְ אַשּׁוּר" which suggests that Hashem is not only bringing upon Yehuda an era comparable to that of the United Monarchy, but also bringing upon him Assyria.&#160; This position would respond that the words "אֵת מֶלֶךְ אַשּׁוּר" only come to explain how the revolutionary change is to take place.&#160; When Assyria conquers Israel, there will be an opportunity to revert back to the conditions that existed before the split of the kingdom.&#160; <br/>It is also possible that the term "יָבִיא י"י עָלֶיךָ" simply means that tumultuous events are to occur which Yehuda will be witness to and affected by. Assyria is to decimate and exile Ephraim, an event which will be similar in gravity to the split of the kingdom (even if it won't bring full control back to Yehuda).</fn> This might reflect hopes that Chizkiyahu was to revive the Davidic dynasty of old,<fn>This would explain why Yeshayhau says that events are to affect not only Achaz and the nation("עָלֶיךָ וְעַל עַמְּךָ"), but also "בֵּית אָבִיךָ", his individual line and dynasty .</fn> take control of the Northern kingdom, and be a Messianic type of figure.<fn>See R. Moshe ibn Chiquitilla and Shadal who understand Yeshayahu 11 and the promises there to refer to Chizkiyahu.</fn></point>
<point><b>Flies of Egypt and bees of Assyria</b> – This approach could suggest that Egypt joined forces with Assyria to attack Aram and Israel despite the fact that there is no mention of them in Sefer Melakhim.&#160; Alternatively, the mention of the "זְּבוּב אֲשֶׁר בִּקְצֵה יְאֹרֵי מִצְרָיִם" is simply a metaphor for a vast army, and does not refer to Egypt itself.&#160; If so, the image of both the flies and the bees refer to the swarms of Assyrian soldiers who were to fall upon the two kingdoms.</point>
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<point><b>Flies of Egypt and bees of Assyria</b> – This approach could suggest that Egypt joined forces with Assyria to attack Aram and Israel (even though there is no mention of them in Sefer Melakhim.) Alternatively, the mention of the "זְּבוּב אֲשֶׁר בִּקְצֵה יְאֹרֵי מִצְרָיִם" is simply a metaphor for a vast army, and does not refer to Egypt itself.&#160; If so, the image of both the flies and the bees refer to the swarms of Assyrian soldiers who were to fall upon the two kingdoms.</point>
 
<point><b>"תַעַר הַשְּׂכִירָה"</b> – According to this position, the words "מֶלֶךְ אַשּׁוּר" serve to identify the "תַעַר הַשְּׂכִירָה".&#160; Assyria is likened to a "razor" as it is about to raze the lands of Aram and Israel until not a hair is left.&#160; This approach might agree with <multilink><a href="RashiYeshayahu7-15-25" data-aht="source">Rashi </a><a href="RashiYeshayahu7-15-25" data-aht="source">Yeshayahu 7:15-25</a><a href="R. Shelomo Yitzchaki (Rashi)" data-aht="parshan">About R. Shelomo Yitzchaki</a></multilink>that "הַשְּׂכִירָה" refers to an honored or important person (or nation),<fn>In support of such usage he points to <a href="Yirmeyahu46-21" data-aht="source">Yirmeyahu 46:21</a>.</fn> rather than a hired hand.</point>
 
<point><b>"תַעַר הַשְּׂכִירָה"</b> – According to this position, the words "מֶלֶךְ אַשּׁוּר" serve to identify the "תַעַר הַשְּׂכִירָה".&#160; Assyria is likened to a "razor" as it is about to raze the lands of Aram and Israel until not a hair is left.&#160; This approach might agree with <multilink><a href="RashiYeshayahu7-15-25" data-aht="source">Rashi </a><a href="RashiYeshayahu7-15-25" data-aht="source">Yeshayahu 7:15-25</a><a href="R. Shelomo Yitzchaki (Rashi)" data-aht="parshan">About R. Shelomo Yitzchaki</a></multilink>that "הַשְּׂכִירָה" refers to an honored or important person (or nation),<fn>In support of such usage he points to <a href="Yirmeyahu46-21" data-aht="source">Yirmeyahu 46:21</a>.</fn> rather than a hired hand.</point>
 
<point><b>"Butter and honey"</b> – This approach could read the two appearances of the image in one of two ways:<br/>
 
<point><b>"Butter and honey"</b> – This approach could read the two appearances of the image in one of two ways:<br/>
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<point><b>Biblical parallels</b> – Elsewhere in Tanakh, as well, there are similar warnings that seeking foreign aid rather than trusting in Hashem will result in catastrophe (especially when one invites a foreigner to attack one's own brother):<br/>
 
<point><b>Biblical parallels</b> – Elsewhere in Tanakh, as well, there are similar warnings that seeking foreign aid rather than trusting in Hashem will result in catastrophe (especially when one invites a foreigner to attack one's own brother):<br/>
 
<ul>
 
<ul>
<li><b>Turning to Aram</b> – The closest parallel to our chapter is Divrei HaYamim II 16. Asa seeks Aram's help against Basha and is rebuked by the prophet Chanani, "בְּהִשָּׁעֶנְךָ עַל מֶלֶךְ אֲרָם וְלֹא נִשְׁעַנְתָּ עַל י"י אֱלֹהֶיךָ עַל כֵּן נִמְלַט חֵיל מֶלֶךְ אֲרָם מִיָּדֶךָ".&#8206;<fn>Later in history, as well, asking a foreigner for help against a brother has similar consequences.&#160; In Second Temple Times, when Aristobulus and Hyrcanus invite Rome to intervene in their conflict over the throne, it marks the beginning of Roman dominion over Israel and spells disaster for all involved..</fn></li>
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<li><b>Turning to Aram</b> – The closest parallel to our chapter is Divrei HaYamim II 16. Asa seeks Aram's help to fight against Basha and is rebuked by the prophet Chanani, "בְּהִשָּׁעֶנְךָ עַל מֶלֶךְ אֲרָם וְלֹא נִשְׁעַנְתָּ עַל י"י אֱלֹהֶיךָ עַל כֵּן נִמְלַט חֵיל מֶלֶךְ אֲרָם מִיָּדֶךָ".&#8206;<fn>Later in history, as well, asking a foreigner for help against a brother has similar consequences.&#160; In Second Temple Times, when Aristobulus and Hyrcanus invite Rome to intervene in their conflict over the throne, it marks the beginning of Roman dominion over Israel and spells disaster for all involved..</fn></li>
 
<li><b>Turning to Egypt</b> – Yeshayahu speaks out against going to Egypt for aid in <a href="Yeshayahu20" data-aht="source">Yeshayahu 20</a> and <a href="Yeshayahu31-1-3" data-aht="source">Yeshayahu 31:1-3</a>, promising "וּמִצְרַיִם אָדָם וְלֹא אֵל וְסוּסֵיהֶם בָּשָׂר וְלֹא רוּחַ וַי"י יַטֶּה יָדוֹ וְכָשַׁל עוֹזֵר וְנָפַל עָזֻר וְיַחְדָּו כֻּלָּם יִכְלָיוּן".</li>
 
<li><b>Turning to Egypt</b> – Yeshayahu speaks out against going to Egypt for aid in <a href="Yeshayahu20" data-aht="source">Yeshayahu 20</a> and <a href="Yeshayahu31-1-3" data-aht="source">Yeshayahu 31:1-3</a>, promising "וּמִצְרַיִם אָדָם וְלֹא אֵל וְסוּסֵיהֶם בָּשָׂר וְלֹא רוּחַ וַי"י יַטֶּה יָדוֹ וְכָשַׁל עוֹזֵר וְנָפַל עָזֻר וְיַחְדָּו כֻּלָּם יִכְלָיוּן".</li>
 
<li><b>Turning to Bavel</b> – Chizkiyahu's showing of his treasures to Merodakh Baladan of Bavel has been understood as an attempt to join an alliance against Assyria.<fn>See Y. Elitzur, "ישעיהו מול חזקיהו ומראדך בלאדן", in ישראל והמקרא, (Ramat Gan, 2000): 201-209.</fn> Yeshayahu reacts in anger, warning Chizkiyahu, &#8206;"&#8206;&#8206;הִנֵּה יָמִים בָּאִים וְנִשָּׂא כׇּל אֲשֶׁר בְּבֵיתֶךָ וַאֲשֶׁר אָצְרוּ אֲבֹתֶיךָ עַד הַיּוֹם הַזֶּה בָּבֶלָה".</li>
 
<li><b>Turning to Bavel</b> – Chizkiyahu's showing of his treasures to Merodakh Baladan of Bavel has been understood as an attempt to join an alliance against Assyria.<fn>See Y. Elitzur, "ישעיהו מול חזקיהו ומראדך בלאדן", in ישראל והמקרא, (Ramat Gan, 2000): 201-209.</fn> Yeshayahu reacts in anger, warning Chizkiyahu, &#8206;"&#8206;&#8206;הִנֵּה יָמִים בָּאִים וְנִשָּׂא כׇּל אֲשֶׁר בְּבֵיתֶךָ וַאֲשֶׁר אָצְרוּ אֲבֹתֶיךָ עַד הַיּוֹם הַזֶּה בָּבֶלָה".</li>
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<point><b>"אֶת הָרֹאשׁ וְשַׂעַר הָרַגְלָיִם וְגַם אֶת הַזָּקָן תִּסְפֶּה"</b> – The image of razing from head to feet implies almost total destruction.&#160; This would fit the campaign of Sancheriv when all of the fortified cities of Yehuda were conquered and only Yerushalayim remained, but would appear not to be an appropriate description of the invasion of Tiglat Pileser.&#160; This leads Shadal to suggest that the image of "shaving" is intentionally used because it implies a cutting of the hair, but not the skin. Tiglat Pileser's soldiers plundered and ravaged the land, but did not actually battle and cause bloodshed.<fn>He understands the phrase "וַיָּבֹא עָלָיו תִּלְּגַת פִּלְנְאֶסֶר מֶלֶךְ אַשּׁוּר וַיָּצַר לוֹ <b>וְלֹא חֲזָקוֹ</b>" to mean that Tiglat Pilesser did not attack with "חזקה", with excessive force.</fn></point>
 
<point><b>"אֶת הָרֹאשׁ וְשַׂעַר הָרַגְלָיִם וְגַם אֶת הַזָּקָן תִּסְפֶּה"</b> – The image of razing from head to feet implies almost total destruction.&#160; This would fit the campaign of Sancheriv when all of the fortified cities of Yehuda were conquered and only Yerushalayim remained, but would appear not to be an appropriate description of the invasion of Tiglat Pileser.&#160; This leads Shadal to suggest that the image of "shaving" is intentionally used because it implies a cutting of the hair, but not the skin. Tiglat Pileser's soldiers plundered and ravaged the land, but did not actually battle and cause bloodshed.<fn>He understands the phrase "וַיָּבֹא עָלָיו תִּלְּגַת פִּלְנְאֶסֶר מֶלֶךְ אַשּׁוּר וַיָּצַר לוֹ <b>וְלֹא חֲזָקוֹ</b>" to mean that Tiglat Pilesser did not attack with "חזקה", with excessive force.</fn></point>
 
<point><b>Flies of Egypt</b> – This approach might suggest that Egypt is mentioned, not because they joined forces with Assyria against Yehuda, but because they were another enemy country which Judean kings relied upon and turned to for assistance when dealing with foreign affairs.<fn>See above, that in <a href="Yeshayahu20" data-aht="source">Yeshayahu 20</a> and&#160;<a href="Yeshayahu31-1-3" data-aht="source">Yeshayahu 31:1-3</a> the prophet warns the people against trusting in Egypt for aid.</fn>&#160; Yeshayahu tells Achaz that any empire in whom he will trust rather than Hashem will ultimately not only fail him, but turn into a foe.<fn>Shadal, instead, suggests that the "flies of Egypt" is simply an analogy, meant to convey a huge army. Since the Nile bred many insects, such swarms were common in Egypt, and served as an apt metaphor for Assyria's army.</fn></point>
 
<point><b>Flies of Egypt</b> – This approach might suggest that Egypt is mentioned, not because they joined forces with Assyria against Yehuda, but because they were another enemy country which Judean kings relied upon and turned to for assistance when dealing with foreign affairs.<fn>See above, that in <a href="Yeshayahu20" data-aht="source">Yeshayahu 20</a> and&#160;<a href="Yeshayahu31-1-3" data-aht="source">Yeshayahu 31:1-3</a> the prophet warns the people against trusting in Egypt for aid.</fn>&#160; Yeshayahu tells Achaz that any empire in whom he will trust rather than Hashem will ultimately not only fail him, but turn into a foe.<fn>Shadal, instead, suggests that the "flies of Egypt" is simply an analogy, meant to convey a huge army. Since the Nile bred many insects, such swarms were common in Egypt, and served as an apt metaphor for Assyria's army.</fn></point>
<point><b>Butter and honey</b> – According to Shadal. the same image is used to connote opposite concepts in verses 15 and 22.&#160; In verse 15, the promise that Emanuel will eat fat and honey is a sign of the upcoming salvation from Aram and Israel, while in verse 22 it signifies the devastation to be wrought on Yehuda. Since all the agricultural land will be laid barren by the Assyrian forces,<fn>See verses 23-25.</fn> the only thing that will be left to eat will be the milk produced by cattle. It is possible that the prophet intentionally used the same image to highlight how Achaz' lack of belief turned a promise of blessing into a curse.</point>
+
<point><b>Butter and honey</b> – According to Shadal, the same image is used to connote opposite concepts in verses 15 and 22.&#160; In verse 15, the promise that Emanuel will eat fat and honey is a sign of the upcoming salvation from Aram and Israel, while in verse 22 it signifies the devastation to be wrought on Yehuda. Since all the agricultural land will be laid barren by the Assyrian forces,<fn>See verses 23-25.</fn> the only thing that will be left to eat will be the milk produced by cattle. It is possible that the prophet intentionally used the same image in both verses to highlight how Achaz' lack of belief turned a promise of blessing into a curse.</point>
 
<point><b>"לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה"</b> – This description of devastation refers to the aftermath of Assyria's attack on Yehuda. Yehuda will be barren, her fruitful vines laid to waste, and her land filled with thorns.<fn>According to this position, the description of plentiful fat and honey in verse 22 is intrinsically related to this description of desolation. The former is an outgrowth of the latter.</fn>&#160; This description could match either the era of Achaz or Chizkiyahu::<br/>
 
<point><b>"לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה"</b> – This description of devastation refers to the aftermath of Assyria's attack on Yehuda. Yehuda will be barren, her fruitful vines laid to waste, and her land filled with thorns.<fn>According to this position, the description of plentiful fat and honey in verse 22 is intrinsically related to this description of desolation. The former is an outgrowth of the latter.</fn>&#160; This description could match either the era of Achaz or Chizkiyahu::<br/>
 
<ul>
 
<ul>
<li><b>Era of Achaz</b> – Chizkiyahu says of his father's reign: "וַיְהִי קֶצֶף י"י עַל יְהוּדָה וִירוּשָׁלָ‍ִם וַיִּתְּנֵם [לְזַעֲוָה] (לזועה) לְשַׁמָּה וְלִשְׁרֵקָה" (Divrei haYamim II 29:8), parallel tot he description of "לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" mentioned here.</li>
+
<li><b>Era of Achaz</b> – Chizkiyahu says of his father's reign: "וַיְהִי קֶצֶף י"י עַל יְהוּדָה וִירוּשָׁלָ‍ִם וַיִּתְּנֵם [לְזַעֲוָה] (לזועה) לְשַׁמָּה וְלִשְׁרֵקָה" (Divrei haYamim II 29:8), parallel to the description of "לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" mentioned here.</li>
<li><b>Era of Chizkiyahu</b> – Sancheriv campaigned throughout Yehuda so it is natural that, in his wake, the land would be barren. Many suggest that Yeshayahu's words in Chapter1:7 refer to the aftermath of his attack: "אַרְצְכֶם שְׁמָמָה עָרֵיכֶם שְׂרֻפוֹת אֵשׁ &#8206;אַדְמַתְכֶם לְנֶגְדְּכֶם זָרִים אֹכְלִים אֹתָהּ וּשְׁמָמָה כְּמַהְפֵּכַת זָרִים".&#8206;<fn>See <a href="Historical Backdrop of Yeshayahu 1" data-aht="page">Historical Backdrop of Yeshayahu 1</a> for elaboration and other possibilities.</fn> </li>
+
<li><b>Era of Chizkiyahu</b> – Sancheriv campaigned throughout Yehuda so it is natural that, in his wake, the land would be barren. Many suggest that Yeshayahu's words in Chapter1:7 refer to the aftermath of his attack: "אַרְצְכֶם שְׁמָמָה עָרֵיכֶם שְׂרֻפוֹת אֵשׁ &#8206;אַדְמַתְכֶם לְנֶגְדְּכֶם זָרִים אֹכְלִים אֹתָהּ וּשְׁמָמָה כְּמַהְפֵּכַת זָרִים".&#8206;<fn>See <a href="Historical Backdrop of Yeshayahu 1" data-aht="page">Historical Backdrop of Yeshayahu 1</a> for elaboration and other possibilities.</fn></li>
 
</ul></point>
 
</ul></point>
 
</category>
 
</category>

Version as of 13:41, 4 September 2018

Prophecy of Calamity or Consolation?

Exegetical Approaches

This topic has not yet undergone editorial review

Consolation

Yeshayahu's words constitute a prophecy of consolation and encouragement.  This approach subdivides regarding the event about which Achaz is being comforted:

The Aramean-Israelite Threat

All of Yeshayahu's words relate to the threat posed by the Aramean-Israelite alliance. Yeshayahu tells Achaz that he need not worry since both countries are soon to be destroyed by Assyria.

Sources:A. Chakham1
Single message – One of the advantages of this approach is that it presents Yeshayahu as speaking about only one issue, with one unified message, throughout the chapter.  Everything the prophet says relates to the downfall of Aram and Israel.
Anger regarding the sign – According to this approach, despite Yeshayahu's anger at Achaz for refusing a Divine sign, the prophet continues to promise Hashem's aid and encourage the king that he has nothing to fear from his enemies.
"יָבִיא י"י עָלֶיךָ... יָמִים אֲשֶׁר לֹא בָאוּ לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה" – Despite first impressions, these words need not connote that calamity is to befall Yehuda, as the term "יָבִיא י"י עָלֶיךָ" can relate to good tidings as well as bad.2  Yeshayahu is prophesying that with the fall of Israel at the hand of Assyria,3 the state of the nation will revert to what it had been before the split of the kingdom (לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה), when there was just one monarch who ruled over the entire country.4 This might reflect hopes that Chizkiyahu was to revive the Davidic dynasty of old,5 take control of the Northern kingdom, and be a Messianic type of figure.6
Flies of Egypt and bees of Assyria – This approach could suggest that Egypt joined forces with Assyria to attack Aram and Israel (even though there is no mention of them in Sefer Melakhim.) Alternatively, the mention of the "זְּבוּב אֲשֶׁר בִּקְצֵה יְאֹרֵי מִצְרָיִם" is simply a metaphor for a vast army, and does not refer to Egypt itself.  If so, the image of both the flies and the bees refer to the swarms of Assyrian soldiers who were to fall upon the two kingdoms.
"תַעַר הַשְּׂכִירָה" – According to this position, the words "מֶלֶךְ אַשּׁוּר" serve to identify the "תַעַר הַשְּׂכִירָה".  Assyria is likened to a "razor" as it is about to raze the lands of Aram and Israel until not a hair is left.  This approach might agree with Rashi Yeshayahu 7:15-25About R. Shelomo Yitzchakithat "הַשְּׂכִירָה" refers to an honored or important person (or nation),7 rather than a hired hand.
"Butter and honey" – This approach could read the two appearances of the image in one of two ways:
  • Blessing of prosperity – In both verses 15 and 22, the eating of "butter and honey" is a metaphor for blessings which will benefit Yehuda.  Yeshayahu declares that after Aram and Israel are defeated, there will be a period of prosperity and the cattle of the Judeans8 will give forth so much milk that butter will be made from the leftovers. This positive understanding of the image might be supported by its similarity to the phrase "אֶרֶץ זָבַת חָלָב וּדְבָשׁ", a description which consistently has a positive connotation in Tanakh. 
  • Prosperity and desolation – Alternatively, while the image in verse 15 connotes blessing, in verse 22 the excessive butter signifies the desolation in Aram and Israel. Yeshayahu tells Achaz that due to the Assyrian invasion, all agricultural produce in his enemies' countries will be ruined, so that any survivors will have only milk to consume.9 The prophet might intentionally use the same image in contrasting ways because the desolation brought to Yehuda's enemies is what will allow Achaz' own land to thrive.
"לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" – The description of desolation in verses 23-25 relates to the lands of Aram and Israel.  After they are subdued by Assyria, the land will be barren and overgrown. This fits with Yeshayahu's earlier promise to Achaz in verse 15: "כִּי בְּטֶרֶם יֵדַע הַנַּעַר מָאֹס בָּרָע וּבָחֹר בַּטּוֹב תֵּעָזֵב הָאֲדָמָה אֲשֶׁר אַתָּה קָץ מִפְּנֵי שְׁנֵי מְלָכֶיהָ".‎10

Both the Aramean-Israelite and the Assyrian Threat

Yeshayahu tells Achaz that he has nothing to fear from Aram and Israel, since Assyria is soon to ravage both countries.  Though Assyria will invade Yehuda as well, Yehuda will survive and Sancheriv's army will be defeated.

Relationship between parts of the chapter – According to these sources, Yeshayahu relays a dual message to Achaz.  Though he initially deals with Achaz' current worry (the alliance of Aram and Israel), he then changes focus to speak of upcoming dangers, and the salvation from them. One might question why,in a prophecy of consolation, Yeshayahu would raise yet another event for Achaz to worry about. These sources could respond that Yeshayahu is simply putting Achaz's fears in perspective, and pointing out that even a far greater threat will end in salvation.
Mix of comfort and woe – Though the prophecy as a whole is one of consolation and reassurance, Yeshayahu notes that devastation will precede the period of security and prosperity.  This explains the mixed imagery of the chapter.
"יָבִיא י"י עָלֶיךָ... אֵת מֶלֶךְ אַשּׁוּר" – These sources understand this verse to mean that Yehuda, too, will be attacked by Assyria. Yeshayahu tells Achaz that though he has nothing to fear from Aram and Israel, he should worry about a different threat, Assyria. Tiglat Pileser is to attack during his reign ("יָבִיא י"י עָלֶיךָ") and Sancheriv will battle Achaz' son, Chizkiyahu ("עַל בֵּית אָבִיךָ").11
"יָמִים אֲשֶׁר לֹא בָאוּ לְמִיּוֹם סוּר אֶפְרַיִם מֵעַל יְהוּדָה" – Yeshayahu compares the attack of Sancheriv to the split of the kingdom so as to emphasize the enormity of the danger and devastation.  This is the first time since the split that Yehuda will find herself in such dire straits, with the potential to lose her land.
Flies and bees – Rashi and Abarbanel suggest that Egypt is mentioned alongside Assyria since they were to join forces and attack Yehuda together.  This, however, is difficult from verses in Melakhim which present Yehuda as relying on Egypt's aid against Assyria, suggesting that Egypt and Assyria were on opposing sides during Sancheriv's campaign.
"תַעַר הַשְּׂכִירָה" – According to these sources, the "תַעַר הַשְּׂכִירָה" and "מֶלֶךְ אַשּׁוּר" are not identical. Rather, one is attacking the other; Hashem will use his "blade" to raze Assyria.  The verse refers to the angel and plague which decimated Sancheriv's army and caused him to retreat. As such, this verse represents the turning point in the prophecy, introducing the consolation.  Though Assyria is to attack, it will be defeated and Yehuda will be saved.
"Butter and honey" – According to these sources, the image in both verses 15 and 22 can refer to the same blessing. Ibn Ezra, Radak and Abarbanel explain that in the aftermath of Sancheriv's campaign there will be such miraculous prosperity that the surviving righteous will be able to subsist on even a single calf or two sheep.  In fact, the animals will be so productive and their milk so abundant that people will discard it and drink only of the fat.12
"לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" – These sources struggle to find the message of consolation in verses 23-25, and are forced to interpret the verses against their simple sense:
  • Radak suggests to read verses 23-24 as if inverted: all the sites which today are full of bramble, and to which one will only approach with bow and arrow, will be filled with valuable vines.13
  • Abarbanel, in contrast, asserts that verses 23-24 depict the harsh situation during Sancheriv's campaign, while verse 25 depicts the blessings in its aftermath.14 Though there will be "שָׁמִיר וָשָׁיִת" during the war, afterwards: "לֹא תָבוֹא שָׁמָּה יִרְאַת שָׁמִיר וָשָׁיִת"; there will no longer be fear of overgrowth or thorns.15  At that point, even the hilly lands will be worked, and due to the peaceful climate, the areas will be open to roaming oxen and sheep.16

Rebuke

Yeshayahu's words constitute a rebuke to Achaz for not trusting in Hashem's promise that Yehuda would be saved. As punishment for seeking human (rather than Divine) assistance, Achaz is told that Assyria will smite not only Aram and Israel, but Yehuda as well.

Refusal to receive a sign – Achaz's refusal to ask for a sign betrayed his lack of belief in Hashem's aid, clarifying to Yeshayahu that Achaz had no intention of heeding his advice to trust in God and not seek foreign assistance ("הִשָּׁמֵר וְהַשְׁקֵט").
The sign: Emanuel – Shadal claims that due to Achaz' refusal to ask for a sign, Yeshayahu gave him one which did not suffice to calm his fears.  Since the birth of Emanuel was not to be immediate, Achaz was left to his worries.  This ensured that he continued on the path he had set for himself, bribing Assyria to fight against his enemies (See Melakhim II 16:8-9 and Divrei HaYamim II 28:16)
"יָבִיא י"י עָלֶיךָ... אֵת מֶלֶךְ אַשּׁוּר" – According to these sources, the words "יָבִיא י"י עָלֶיךָ" imply that Assyria will attack Yehuda itself. After telling Achaz about the fall of Aram and Israel, Yeshayahu warns Achaz that the very kingdom which he hoped would help him, will eventually turn on him and devastate his country. These sources differ regarding the specific event to which Yeshayahu refers:
  • Tiglat Pileser's invasion – According to Shadal, Yeshayahu is speaking of Tiglat Pileser, who attacked not only Aram and Israel but Yehuda as well. As Divrei HaYamim shares, "וַיָּבֹא עָלָיו תִּלְּגַת פִּלְנְאֶסֶר מֶלֶךְ אַשּׁוּר וַיָּצַר לוֹ וְלֹא חֲזָקוֹ".‎
  • Sancheriv's campaign – R"E of Beaugency, in contrast, assumes that Yeshayahu is referring to Sancheriv's campaign against Yehuda in the time of Chizkiyahu. The prophet speaks of a future rather than immediate punishment.18
Biblical parallels – Elsewhere in Tanakh, as well, there are similar warnings that seeking foreign aid rather than trusting in Hashem will result in catastrophe (especially when one invites a foreigner to attack one's own brother):
  • Turning to Aram – The closest parallel to our chapter is Divrei HaYamim II 16. Asa seeks Aram's help to fight against Basha and is rebuked by the prophet Chanani, "בְּהִשָּׁעֶנְךָ עַל מֶלֶךְ אֲרָם וְלֹא נִשְׁעַנְתָּ עַל י"י אֱלֹהֶיךָ עַל כֵּן נִמְלַט חֵיל מֶלֶךְ אֲרָם מִיָּדֶךָ".‎19
  • Turning to Egypt – Yeshayahu speaks out against going to Egypt for aid in Yeshayahu 20 and Yeshayahu 31:1-3, promising "וּמִצְרַיִם אָדָם וְלֹא אֵל וְסוּסֵיהֶם בָּשָׂר וְלֹא רוּחַ וַי"י יַטֶּה יָדוֹ וְכָשַׁל עוֹזֵר וְנָפַל עָזֻר וְיַחְדָּו כֻּלָּם יִכְלָיוּן".
  • Turning to Bavel – Chizkiyahu's showing of his treasures to Merodakh Baladan of Bavel has been understood as an attempt to join an alliance against Assyria.20 Yeshayahu reacts in anger, warning Chizkiyahu, ‎"‎‎הִנֵּה יָמִים בָּאִים וְנִשָּׂא כׇּל אֲשֶׁר בְּבֵיתֶךָ וַאֲשֶׁר אָצְרוּ אֲבֹתֶיךָ עַד הַיּוֹם הַזֶּה בָּבֶלָה".
"תַעַר הַשְּׂכִירָה" – The image of a "תַעַר הַשְּׂכִירָה" refers to Assyria, so called because he had been "hired" by Achaz to attack Aram and Israel.21
"אֶת הָרֹאשׁ וְשַׂעַר הָרַגְלָיִם וְגַם אֶת הַזָּקָן תִּסְפֶּה" – The image of razing from head to feet implies almost total destruction.  This would fit the campaign of Sancheriv when all of the fortified cities of Yehuda were conquered and only Yerushalayim remained, but would appear not to be an appropriate description of the invasion of Tiglat Pileser.  This leads Shadal to suggest that the image of "shaving" is intentionally used because it implies a cutting of the hair, but not the skin. Tiglat Pileser's soldiers plundered and ravaged the land, but did not actually battle and cause bloodshed.22
Flies of Egypt – This approach might suggest that Egypt is mentioned, not because they joined forces with Assyria against Yehuda, but because they were another enemy country which Judean kings relied upon and turned to for assistance when dealing with foreign affairs.23  Yeshayahu tells Achaz that any empire in whom he will trust rather than Hashem will ultimately not only fail him, but turn into a foe.24
Butter and honey – According to Shadal, the same image is used to connote opposite concepts in verses 15 and 22.  In verse 15, the promise that Emanuel will eat fat and honey is a sign of the upcoming salvation from Aram and Israel, while in verse 22 it signifies the devastation to be wrought on Yehuda. Since all the agricultural land will be laid barren by the Assyrian forces,25 the only thing that will be left to eat will be the milk produced by cattle. It is possible that the prophet intentionally used the same image in both verses to highlight how Achaz' lack of belief turned a promise of blessing into a curse.
"לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" – This description of devastation refers to the aftermath of Assyria's attack on Yehuda. Yehuda will be barren, her fruitful vines laid to waste, and her land filled with thorns.26  This description could match either the era of Achaz or Chizkiyahu::
  • Era of Achaz – Chizkiyahu says of his father's reign: "וַיְהִי קֶצֶף י"י עַל יְהוּדָה וִירוּשָׁלָ‍ִם וַיִּתְּנֵם [לְזַעֲוָה] (לזועה) לְשַׁמָּה וְלִשְׁרֵקָה" (Divrei haYamim II 29:8), parallel to the description of "לַשָּׁמִיר וְלַשַּׁיִת יִהְיֶה" mentioned here.
  • Era of Chizkiyahu – Sancheriv campaigned throughout Yehuda so it is natural that, in his wake, the land would be barren. Many suggest that Yeshayahu's words in Chapter1:7 refer to the aftermath of his attack: "אַרְצְכֶם שְׁמָמָה עָרֵיכֶם שְׂרֻפוֹת אֵשׁ ‎אַדְמַתְכֶם לְנֶגְדְּכֶם זָרִים אֹכְלִים אֹתָהּ וּשְׁמָמָה כְּמַהְפֵּכַת זָרִים".‎27