Difference between revisions of "Selection of the Priests and Levites/2"

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<p>After the nation sinned at the Golden Calf, the tribe of Levi was picked for both the priesthood and Levite positions.</p>
 
<p>After the nation sinned at the Golden Calf, the tribe of Levi was picked for both the priesthood and Levite positions.</p>
 
<mekorot><multilink><a href="PhiloOnSpecialLaws3-126-127" data-aht="source">Philo</a><a href="PhiloOnSpecialLaws3-126-127" data-aht="source">On Special Laws 3:126-127</a><a href="Philo" data-aht="parshan">About Philo</a></multilink>, <multilink><a href="RashiDevarim10-8" data-aht="source">Rashi</a><a href="RashiBereshit25-31" data-aht="source">Bereshit 25:31</a><a href="RashiShemot19-22" data-aht="source">Shemot 19:22</a><a href="RashiShemot28-41" data-aht="source">Shemot 28:41</a><a href="RashiShemot31-18" data-aht="source">Shemot 31:18</a><a href="RashiShemot32-29" data-aht="source">Shemot 32:29</a><a href="RashiBemidbar3-12" data-aht="source">Bemidbar 3:12</a><a href="RashiBemidbar8-17" data-aht="source">Bemidbar 8:17</a><a href="RashiDevarim10-8" data-aht="source">Devarim 10:8</a><a href="RashiShemuelI2-27" data-aht="source">Shemuel I 2:27</a><a href="R. Shelomo Yitzchaki (Rashi)" data-aht="parshan">About R. Shelomo Yitzchaki</a></multilink>, <multilink><a href="RashbamShemot19-22" data-aht="source">Rashbam</a><a href="RashbamShemot19-22" data-aht="source">Shemot 19:22</a><a href="RashbamDevarim10-8" data-aht="source">Devarim 10:8</a><a href="R. Shemuel b. Meir (Rashbam)" data-aht="parshan">About R. Shemuel b. Meir</a></multilink>, <multilink><a href="IbnEzraShemotLongCommentary19-22" data-aht="source">Ibn Ezra</a><a href="IbnEzraShemotLongCommentary19-22" data-aht="source">Shemot Long Commentary 19:22</a><a href="IbnEzraShemotShortCommentary19-22" data-aht="source">Shemot Short Commentary 19:22</a><a href="IbnEzraShemotShortCommentary24-1" data-aht="source">Shemot Short Commentary 24:1</a><a href="IbnEzraShemotShortCommentary24-5" data-aht="source">Shemot Short Commentary 24:5</a><a href="IbnEzraShemotShortCommentary32-29" data-aht="source">Shemot Short Commentary 32:29</a><a href="IbnEzraBemidbar3-1" data-aht="source">Bemidbar 3:1</a><a href="IbnEzraBemidbar16-1" data-aht="source">Bemidbar 16:1</a><a href="IbnEzraBemidbar16-28" data-aht="source">Bemidbar 16:28</a><a href="IbnEzraDevarim10-8" data-aht="source">Devarim 10:8</a><a href="R. Avraham ibn Ezra" data-aht="parshan">About R. Avraham ibn Ezra</a></multilink>, <multilink><a href="SefornoMaamarKavvanotHaTorah6-13" data-aht="source">Seforno</a><a href="SefornoShemot24-18" data-aht="source">Shemot 24:18</a><a href="SefornoShemot31-18" data-aht="source">Shemot 31:18</a><a href="SefornoShemot32-29" data-aht="source">Shemot 32:29</a><a href="SefornoBemidbar3-13" data-aht="source">Bemidbar 3:13</a><a href="SefornoMaamarKavvanotHaTorah6-13" data-aht="source">Maamar Kavvanot HaTorah 6:13</a><a href="R. Ovadyah Seforno" data-aht="parshan">About R. Ovadyah Seforno</a></multilink>, <multilink><a href="KeliYekarShemot28-1" data-aht="source">Keli Yekar</a><a href="KeliYekarShemot28-1" data-aht="source">Shemot 28:1</a><a href="KeliYekarBemidbar3-13" data-aht="source">Bemidbar 3:13</a><a href="R. Shelomo Ephraim Luntschitz (Keli Yekar)" data-aht="parshan">About R. Shelomo Ephraim Luntschitz</a></multilink>, Hoil Moshe</mekorot>
 
<mekorot><multilink><a href="PhiloOnSpecialLaws3-126-127" data-aht="source">Philo</a><a href="PhiloOnSpecialLaws3-126-127" data-aht="source">On Special Laws 3:126-127</a><a href="Philo" data-aht="parshan">About Philo</a></multilink>, <multilink><a href="RashiDevarim10-8" data-aht="source">Rashi</a><a href="RashiBereshit25-31" data-aht="source">Bereshit 25:31</a><a href="RashiShemot19-22" data-aht="source">Shemot 19:22</a><a href="RashiShemot28-41" data-aht="source">Shemot 28:41</a><a href="RashiShemot31-18" data-aht="source">Shemot 31:18</a><a href="RashiShemot32-29" data-aht="source">Shemot 32:29</a><a href="RashiBemidbar3-12" data-aht="source">Bemidbar 3:12</a><a href="RashiBemidbar8-17" data-aht="source">Bemidbar 8:17</a><a href="RashiDevarim10-8" data-aht="source">Devarim 10:8</a><a href="RashiShemuelI2-27" data-aht="source">Shemuel I 2:27</a><a href="R. Shelomo Yitzchaki (Rashi)" data-aht="parshan">About R. Shelomo Yitzchaki</a></multilink>, <multilink><a href="RashbamShemot19-22" data-aht="source">Rashbam</a><a href="RashbamShemot19-22" data-aht="source">Shemot 19:22</a><a href="RashbamDevarim10-8" data-aht="source">Devarim 10:8</a><a href="R. Shemuel b. Meir (Rashbam)" data-aht="parshan">About R. Shemuel b. Meir</a></multilink>, <multilink><a href="IbnEzraShemotLongCommentary19-22" data-aht="source">Ibn Ezra</a><a href="IbnEzraShemotLongCommentary19-22" data-aht="source">Shemot Long Commentary 19:22</a><a href="IbnEzraShemotShortCommentary19-22" data-aht="source">Shemot Short Commentary 19:22</a><a href="IbnEzraShemotShortCommentary24-1" data-aht="source">Shemot Short Commentary 24:1</a><a href="IbnEzraShemotShortCommentary24-5" data-aht="source">Shemot Short Commentary 24:5</a><a href="IbnEzraShemotShortCommentary32-29" data-aht="source">Shemot Short Commentary 32:29</a><a href="IbnEzraBemidbar3-1" data-aht="source">Bemidbar 3:1</a><a href="IbnEzraBemidbar16-1" data-aht="source">Bemidbar 16:1</a><a href="IbnEzraBemidbar16-28" data-aht="source">Bemidbar 16:28</a><a href="IbnEzraDevarim10-8" data-aht="source">Devarim 10:8</a><a href="R. Avraham ibn Ezra" data-aht="parshan">About R. Avraham ibn Ezra</a></multilink>, <multilink><a href="SefornoMaamarKavvanotHaTorah6-13" data-aht="source">Seforno</a><a href="SefornoShemot24-18" data-aht="source">Shemot 24:18</a><a href="SefornoShemot31-18" data-aht="source">Shemot 31:18</a><a href="SefornoShemot32-29" data-aht="source">Shemot 32:29</a><a href="SefornoBemidbar3-13" data-aht="source">Bemidbar 3:13</a><a href="SefornoMaamarKavvanotHaTorah6-13" data-aht="source">Maamar Kavvanot HaTorah 6:13</a><a href="R. Ovadyah Seforno" data-aht="parshan">About R. Ovadyah Seforno</a></multilink>, <multilink><a href="KeliYekarShemot28-1" data-aht="source">Keli Yekar</a><a href="KeliYekarShemot28-1" data-aht="source">Shemot 28:1</a><a href="KeliYekarBemidbar3-13" data-aht="source">Bemidbar 3:13</a><a href="R. Shelomo Ephraim Luntschitz (Keli Yekar)" data-aht="parshan">About R. Shelomo Ephraim Luntschitz</a></multilink>, Hoil Moshe</mekorot>
<point><b>Chronology of the Command to Build the Mishkan</b> – These sources all maintain that the command to build the Tabernacle was only given after the incident of the Golden Calf and that the verses are achronological.&#160; This allows them to assert that even though the appointment of Aharon is spoken of earlier, it only occurred after the sin.</point>
+
<point><b>Chronology of the Command to Build the Mishkan</b> – These sources all maintain that the command to build the Tabernacle was only given after the incident of the Golden Calf and that the verses are achronological.&#160; This allows them to assert that even though the appointment of Aharon is spoken of earlier, it only occurred after the sin, together with the consecration of the Levites..</point>
 
<point><b>"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי"</b> – This verse supports this approach as it describes the choosing of the tribe of Levi for both Levite and Priestly functions and dates both to the aftermath of the Sin of the Golden Calf.</point>
 
<point><b>"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי"</b> – This verse supports this approach as it describes the choosing of the tribe of Levi for both Levite and Priestly functions and dates both to the aftermath of the Sin of the Golden Calf.</point>
<point><b>Why were Aharon and the Levites Chosen?</b> These sources explain that the Levites merited the position as a reward for their loyalty to Hashem during the sin of the Golden Calf.&#160; It is much harder, though, for them to explain why Aharon is chosen in the aftermath of the incident, considering that he had played a significant role and was blameworthy:<br/>
+
<point><b>Why were Aharon and the Levites Chosen?</b> These sources easily explain that the Levites merited the position as a reward for their loyalty to Hashem during the sin of the Golden Calf.&#160; However, it is much harder to understand why Aharon is chosen in the aftermath of the incident, considering that he was not meritorious but blameworthy:<br/>
 
<ul>
 
<ul>
 
<li>According to Rashi, the entire purpose of the Mishkan was to provide proof that Hashem had indeed forgiven their deed.<fn>See <a href="Purpose of the Mishkan" data-aht="page">Purpose of the Mishkan</a> for elaboration.</fn>&#160; If so, perhaps choosing Aharon as priest was the ultimate sign of forgiveness.</li>
 
<li>According to Rashi, the entire purpose of the Mishkan was to provide proof that Hashem had indeed forgiven their deed.<fn>See <a href="Purpose of the Mishkan" data-aht="page">Purpose of the Mishkan</a> for elaboration.</fn>&#160; If so, perhaps choosing Aharon as priest was the ultimate sign of forgiveness.</li>
 
<li>Seforno and Hoil Moshe assert that prior to the sin, Hashem had hoped to be worshiped via private altars and individual service.&#160; However, the sin proved that the nation needed intermediaries in the form of a Tabernacle and priests.&#160; As such, Aharon might have been chosen to serve as a corrective for both his and the nation's deeds.</li>
 
<li>Seforno and Hoil Moshe assert that prior to the sin, Hashem had hoped to be worshiped via private altars and individual service.&#160; However, the sin proved that the nation needed intermediaries in the form of a Tabernacle and priests.&#160; As such, Aharon might have been chosen to serve as a corrective for both his and the nation's deeds.</li>
<li>Alternatively, this approach might posit that the appointment of Aharon itself proves that he actually did not sin egregiously during the episode of the Golden Calf.&#160; Though his actions might have led others to sin, his intentions were pure and he himself never worshiped the Calf.</li>
+
<li>Alternatively, this approach might posit that the appointment of Aharon itself proves that he actually did not sin egregiously during the episode of the Golden Calf.&#160; Though his actions might have led others to sin, his intentions were pure and he himself never worshiped the Calf and thus was truly worthy of the priesthood.</li>
 
</ul></point>
 
</ul></point>
 
<point><b>Status of the Firstborn</b> – According to these sources, prior to their rejection, the firstborns had priestly status and were in charge of bringing sacrifices.&#160; According to Rashi, they had this status already in the Patriarchal period.<fn>Thus, he understands that Yaakov's desire for the birthright related to attaining this priestly stauts (and keeping it form the unworthy Esav.)&#160; For elaboration, see <a href="Sale of the Birthright – A Fair Deal" data-aht="page">Sale of the Birthright – A Fair Deal?</a></fn>&#160; The other sources might suggest that it was only attained after their sanctification in the aftermath of the Sin of the Golden Calf.</point>
 
<point><b>Status of the Firstborn</b> – According to these sources, prior to their rejection, the firstborns had priestly status and were in charge of bringing sacrifices.&#160; According to Rashi, they had this status already in the Patriarchal period.<fn>Thus, he understands that Yaakov's desire for the birthright related to attaining this priestly stauts (and keeping it form the unworthy Esav.)&#160; For elaboration, see <a href="Sale of the Birthright – A Fair Deal" data-aht="page">Sale of the Birthright – A Fair Deal?</a></fn>&#160; The other sources might suggest that it was only attained after their sanctification in the aftermath of the Sin of the Golden Calf.</point>
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<li>Seforno instead explains that the phrase refers to attaining perfection (מלא=שלם) so that they could be prepared to serve. </li>
 
<li>Seforno instead explains that the phrase refers to attaining perfection (מלא=שלם) so that they could be prepared to serve. </li>
 
</ul></point>
 
</ul></point>
<point><b>The "כֹּהֲנִים" of Shemot 19</b></point>
+
<point><b>The "כֹּהֲנִים" of Shemot 19</b> – Since Aharon was not yet appointed at this stage, Rashi and Ibn Ezra assert that the term refers to the firstborns.</point>
<point><b>"וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עֹלֹת "</b></point>
+
<point><b>"וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עֹלֹת "</b> – Ibn Ezra and Hoil Moshe</point>
 
</category>
 
</category>
 
</approaches>
 
</approaches>
 
</page>
 
</page>
 
</aht-xml>
 
</aht-xml>

Version as of 14:59, 18 February 2016

Selection of the Priests and Levites

Exegetical Approaches

This topic has not yet undergone editorial review

Before the Exodus

The tribe of Levi was singled out to be Levites and Priests already in Egypt, and were perhaps chosen even as early as the Patriarchal Period.

Why was the Levite tribe chosen?
  • Actions in Shekhem – According to most of these sources4 it was Yaakov who sanctified the tribe of Levi to serve Hashem.  Jubilees maintains that this was a reward for Levi's5 avenging of Dinah's honor in Shekhem.6
  • Moshe's Family – Shemot Rabbah and R"Y Kimchi, in contrast, suggest that the appointment occurred first in Egypt, with Shemot Rabbah implying that it was the elevated character of Moshe's specific family that merited the positions.7  The Midrash suggests that Moshe himself was originally destined for the priesthood, while Aharon was to be a Levite, but after Moshe's repeated refusals of Hashem's mission at the burning bush, Hashem punished him by switching the roles.
"הֲנִגְלֹה נִגְלֵיתִי אֶל בֵּית אָבִיךָ...לִי לְכֹהֵן" – According to R. Yosef Kimchi, this verse in Shemuel supports an early appointment, since it states that already in Egypt Hashem revealed Himself to the House of Levi and chose them to serve him as priests.8 Shemot Rabbah5:16About Shemot Rabbah adds that the tribe had special status in Egypt, not sharing in the bondage of the rest of the nation.9
"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי" – This verse is difficult for this approach as it implies that the tribe was first chosen after the Sin of the Golden Calf.10  These sources might suggest that though Levi had been singled out much earlier, it was first with the finished construction of the Mishkan, after the sin, that service was official, with a permanent, regulated character.  Thus, it was only then that the tribe actively took on its elevated role, with daily acts of service.
The "כֹּהֲנִים" of Shemot 19 – This position could suggest that the word Kohanim here refers to the same people as it does in the rest of Tanakh:  Aharon's sons who have already been appointed.11   This might be supported by the similar cast of characters that are mentioned both in this verse (Moshe, Aharon, the Kohanim and nation) and in the parallel verse of Shemot 24 (Moshe, Aharon, Nadav and Avihu, and Elders, or the representatives of the nation).12
Sacrifices before the Mishkan – These sources might maintain that the "נַעֲרֵי בְּנֵי יִשְׂרָאֵל" who bring offerings at Sinai in Shemot 24  also refer to Aharon's sons.  It is not clear, however, why they would be referred to in this manner rather than by either their names or title.13 According to Jubilees, it is possible that even prior to this event, all sacrificial worship from the time of Levi and on was done by members of the tribe.
Levites and the Golden Calf – According to this position, it is possible that it was only the Levites who heeded Moshe's call and stood against the idolatry of the Calf specifically because they had already been designated to serve God.  In other words, the Levites were not chosen because they alone served Hashem when everyone else sinned, but rather, they alone served Hashem because they had previously been chosen.
"מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י... לָתֵת עֲלֵיכֶם הַיּוֹם בְּרָכָה" – These sources might explain, as does R. Saadia Gaon, that the words "מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י" constitute Moshe's congratulations to the Levites on their work, but do not connote an induction into service of Hashem.  Though the Levites did receive a blessing and reward for their actions, this was not an elevation in status, which they already had, but a general blessing of good.
Status of the Firstborn – This approach might maintain that the firstborns never held any Levite or priestly status.  They were sanctified in Egypt because they had been saved from the Plague of the Firstborn,14 but this was not accompanied by any cultic role.15
Switching of Levites and Firstborns – If the firstborns never played a cultic role, it is not clear what it means that the Levites were chosen to serve in their stead.  These sources might explain that the redemption of Bemidbar 3 does not imply a substitution of service, but simply a redemption of the firstborn's holy status.
Korach's Rebellion
Chronology

Before the Sin of the Golden Calf

The Priests were designated before the Sin of the Golden Calf, in preparation for the erection of the Mishkan.  This positions subdivides regarding when the Levites were chosen:

Together with the Priests

The Levites and Priests were chosen together.

Why was the Levite tribe chosen? R. Yosef Bekhor Shor highlights the importance of choosing a tribe (rather than  individuals) to serve Hashem,17 but does explain not why the tribe of Levi specifically was chosen.  He could suggest that Hashem picked them in Moshe and Aharon's merit.
Status of the Firstborn – R. Yosef Bekhor Shor maintains that the firstborns initially had elevated status, serving as Priests and Levites.  With the establishment of the Tabernacle and the beginning of regular service, however, they were replaced by the tribe of Levi.
Switching of Levites and Firstborns
  • Practical purpose – According to R"Y Bekhor Shor, the switch was not prompted by either the need to reward the tribe of Levi nor a desire to punish the firstborns.  It was rather a practical decision.  Hashem wanted the service to be confined to a family line, so that the laws could be passed from father to son, facilitating their transmission and ensuring expertise.18   Moreover, since the firstborns were due to receive a double portion in the land they would never be as free to devote themselves entirely to the service of Hashem.19
  • Sin and corrective – Another possibility is to say that the firstborns were rejected due to sin, and the Levites were appointed to correct it.  If one posits that the "אֲצִילֵי בְּנֵי יִשְׂרָאֵל" who "saw God" during the covenantal ceremony of Shemot 24 were the firstborns,20 then it is possible that they were disqualified when they overstepped their bounds.  The Levites were chosen instead, with one of their main roles being that they guard the Sanctuary so that no one who is unauthorized comes too close.
Levites and the Golden Calf – R"Y Bekhor Shor asserts that the Levites were not the only ones who answered Moshe's call to kill the worshipers of the Calf, and there were many people from the rest of the nation who joined as well.21  As such, the Levites' actions during the incident were not so unique to merit them the reward of elevated status.
"מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י... לָתֵת עֲלֵיכֶם הַיּוֹם בְּרָכָה" – R"Y Bekhor Shor is consistent in maintaining that the blessing spoken of here is unrelated to the tribe's appointment as Levites and Priests.  He asserts, instead, that it refers to their being included in the blessings of Moshe before his death.  Though they had not merited a blessing by Yaakov, this action warranted them one.
Chronology of the Command to Build the Mishkan – This approach is supported by the simple order of the verses, according to which Aharon is commanded regarding his role as Kohen before the Sin of the Golden Calf.22  Though the Levites are not mentioned there, it is logical that they might have been chosen at the same time since it was the establishment of the Tabernacle that prompted a need for their service.
The "כֹּהֲנִים" of Shemot 19 – According to R"Y Bekhor Shor these were the firstborns, since at this point, before the command to build the Mishkan, they, rather than members of the tribe of Levi, had the status of priests.23
"וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עֹלֹת " – R"Y Bekhor Shor maintains that these "youth" who sacrifice also refer to the firstborns who still had priestly status at this point in the narrative.
"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי" – Though Hashem had chosen the tribe of Levi without any connection to their role the during Sin of the Calf, practically the Tabernacle was built after the sin and so "it was at that time" that the tribe was actively separated.
"הֲנִגְלֹה נִגְלֵיתִי אֶל בֵּית אָבִיךָ...לִי לְכֹהֵן" – This verse would appear to be problematic for this approach as it suggests that the Levites were chosen to be priests already in Egypt.  R"Y Bekhor Shor might explain that the verses speak of two distinct events, a revelation that occurred in Egypt, and the choosing of the Kohanim which took place only much later.
Korach's Rebellion

After the Priests

The choosing of the Levites was distinct from the sanctification of the Priests and only occurred after the Sin of the Golden Calf.

Chronology of the Command to Build the Mishkan – This approach works with the simple chronology of the verses which presents Aharon as being designated prior to the Sin of the Golden Calf, when Hashem commanded to build the Mishkan, but only speaks of the consecration of the rest of the Levites after the story of the sin, in the second year.24
Why were Aharon and the Levites Chosen? Abarbanel asserts that Aharon merited the priesthood because, after Moshe, no one else in Israel came close to his level of perfection and prophecy.  The Levites, in contrast, were chosen due to the fact that they did not participate in the Sin of the Golden Calf, but rather defended the honor of Hashem.25 The two appointments, thus, were totally distinct and for different reasons.
Status of the Firstborn
  • No priestly status – Ramban26 suggests that until the Tabernacle was built every individual was allowed to sacrifice, and that the firstborns did not have any unique priestly status. Nonetheless, he appears to maintain that after they were sanctified during the Plague of Firstborns they did have Levite status.27  It is unclear, however, what that would entail before the Tabernacle was built, when there was nothing to carry or guard.28
  • Partial priestly status – Abarbanel might agree that in the long term, the firstborns were chosen to take on Levite (rather than priestly) roles,29 but in contrast to Ramban, he suggests that before Aharon was appointed they might have also played a role in sacrificing.
Sin of the Golden Calf and Replacing of the Firstborns – Abarbanel asserts that the firstborns were rejected for having sinned by the Golden Calf, while the Levites, who did not sin, were rewarded by taking over their previous position.
"מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י... לָתֵת עֲלֵיכֶם הַיּוֹם בְּרָכָה" – This position could suggest, like Rashi below, that in the words "מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י" Moshe dedicated the Levites to Hashem, and gave them the blessing of elevated status.
"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי" – As this verse seems to suggest that both the Levites and Priests30 were chosen in the aftermath of the Sin of the Golden Calf, it is difficult for the position. Ramban explains that the phrase "בָּעֵת הַהִוא" refers not to the zealous actions of the Levites, but to the later period when Moshe attained forgiveness for Aharon and the nation. As such, Moshe is saying that at that time, Hashem reaffirmed his choosing of Aharon as Kohen, which had been temporarily nullified due to the sin.31
The "כֹּהֲנִים" of Shemot 19 – Abarbanel posits that these could refer either to the firstborns, who, in his opinion, still had this role, or to Nadav and Avihu who are so called after their future position.
"וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עֹלֹת " – Ramban maintains that these נערים refer to innocent youths, who had never yet touched a female and in their holiness were chosen to bring these sacrifices.  This is consistent with his opinion that before the Tabernacles' construction, everyone was allowed to bring individual sacrifices.
"הֲנִגְלֹה נִגְלֵיתִי אֶל בֵּית אָבִיךָ...לִי לְכֹהֵן" – This approach might posit that the verse is not speaking of just one event that happened in Egypt, but a prophecy which was given in Egypt and the choosing of the priests which took place later.
Rebellion of Korach

In the Aftermath of the Sin of the Golden Calf

After the nation sinned at the Golden Calf, the tribe of Levi was picked for both the priesthood and Levite positions.

Chronology of the Command to Build the Mishkan – These sources all maintain that the command to build the Tabernacle was only given after the incident of the Golden Calf and that the verses are achronological.  This allows them to assert that even though the appointment of Aharon is spoken of earlier, it only occurred after the sin, together with the consecration of the Levites..
"בָּעֵת הַהִוא הִבְדִּיל י"י אֶת שֵׁבֶט הַלֵּוִי" – This verse supports this approach as it describes the choosing of the tribe of Levi for both Levite and Priestly functions and dates both to the aftermath of the Sin of the Golden Calf.
Why were Aharon and the Levites Chosen? These sources easily explain that the Levites merited the position as a reward for their loyalty to Hashem during the sin of the Golden Calf.  However, it is much harder to understand why Aharon is chosen in the aftermath of the incident, considering that he was not meritorious but blameworthy:
  • According to Rashi, the entire purpose of the Mishkan was to provide proof that Hashem had indeed forgiven their deed.32  If so, perhaps choosing Aharon as priest was the ultimate sign of forgiveness.
  • Seforno and Hoil Moshe assert that prior to the sin, Hashem had hoped to be worshiped via private altars and individual service.  However, the sin proved that the nation needed intermediaries in the form of a Tabernacle and priests.  As such, Aharon might have been chosen to serve as a corrective for both his and the nation's deeds.
  • Alternatively, this approach might posit that the appointment of Aharon itself proves that he actually did not sin egregiously during the episode of the Golden Calf.  Though his actions might have led others to sin, his intentions were pure and he himself never worshiped the Calf and thus was truly worthy of the priesthood.
Status of the Firstborn – According to these sources, prior to their rejection, the firstborns had priestly status and were in charge of bringing sacrifices.  According to Rashi, they had this status already in the Patriarchal period.33  The other sources might suggest that it was only attained after their sanctification in the aftermath of the Sin of the Golden Calf.
Sin of the Golden Calf and Replacing of the Firstborns – These sources all suggest that the firstborns were rejected due to their worship of the Calf.  Ibn Ezra asserts that, in their role as priests, it was specifically the firstborns who sacrificed before the Calf, making them the most guilty.
"מִלְאוּ יֶדְכֶם הַיּוֹם לַי"י... לָתֵת עֲלֵיכֶם הַיּוֹם בְּרָכָה" – These sources understand this statement to refer to the meriting of elevated status but differ in the details:
  • Rashi understands "מליאת יד" to refer to a dedication, and that Moshe told the Levites that in return for their deed they would be dedicated to Hashem. 
  • Seforno instead explains that the phrase refers to attaining perfection (מלא=שלם) so that they could be prepared to serve.
The "כֹּהֲנִים" of Shemot 19 – Since Aharon was not yet appointed at this stage, Rashi and Ibn Ezra assert that the term refers to the firstborns.
"וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עֹלֹת " – Ibn Ezra and Hoil Moshe