And Aaron said, “Let not the anger of my lord burn hot. You know the people, that they are set on evil.
22. And Aaron said, Let not the anger of my Lord wax hot Aaron extenuates his crime as much as He can. The sum, however is, that the people, whom Moses himself knew to be depraved and perverse, had tumultuously assailed him, and compelled him against his will. Now, although the commencement of his address has an appearance of modesty, still the excuse is frivolous.
Moses begins with Aaron, not ordering his death like the ringleaders, because there is a world of difference between those who rush headlong into sin and those surprised by infirmity into it. Aaron deserved to be cut off, and would have been, except Moses interceded for him; now he calls him to repentance, showing him he hardened their hearts and strengthened their hands in idolatry.
AI summary
Commenting on Exodus 32:21-29
For they said unto me, make us gods, which shall go before us,.... Which was true, Exo 32:1 but then he should have told them, that gods were not to be made; that what were made with hands were no gods, and could not go before them; that the making of any image, similitude, or representation of God, was forbidden by him, as they had...