The people saw that Moses delayed to come down. He had been absent, probably, above a month. It was the first day of their worship when he descended; and a week would suffice for the collection of the ornaments, the formation of the mould, and the casting of the idol.
Unto Aaron. It is not clear why no mention is made of Hur, who had been made co-regent with Aaron (Exodus 24:14); but perhaps Aaron was known to be the weaker of the two. Up, make us gods. Most moderns translate" a god."
But the word is vague, and the speakers did not themselves perhaps care whether one idol was made or more. Which shall go before us. The Israelites were apparently tired of their long delay at Sinai, and were anxious to proceed upon their journey.
They wanted a visible god at their head, to give them confidence and courage. Compare 1 Samuel 4:3-8. We wot not what is become of him. He might, they thought, be dead—he might have returned to Egypt—he might be going to stay always with God in the mount which they did not dare to approach.
At any rate, he was lost to them, and they might never see him again.