John Chrysostom
God strongly admonished the Israelites, emphasizing that they merited even greater consequences for their wrongdoings following the special privileges He had bestowed upon them. At times, He declared, You alone have I known from all the families of the earth; therefore I will punish you for all your sins (Am. 3:2). At other moments, He stated, Of your sons I raised up for prophets and of your young men for Nazirites (Am. 2:11). Moreover, prior to the prophets, in establishing the offerings, God wished to illustrate that the transgressions of the priests necessitated a much greater level of accountability than that of the common people. He commanded that a sacrifice be made for the priest just as was required for the entire nation.
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This action signifies that the priest’s wounds demand more healing, akin to the wounds of the entire community. They would not require such extensive healing if they were not severe. However, these wounds are not inherently grave but are made so by the elevated status of the priest who sins.