John Gills Exposition of the Bible Commentary - Exodus 32:4
And he received them at their hand ,.... For the use they delivered them to him: and fashioned it with a graving tool, after he had made it a molten calf ; that is, after he had melted the gold, and cast it into a mould, which gave it the figure of a calf, and with his tool wrought it into a more agreeable form, he took off the roughness of it, and polished it; or if it was in imitation of the Egyptian Apis or Osiris, he might with his graving tool engrave such marks and figures as... read more
Matthew Henry's Complete Commentary - Exodus 32:1-6
While Moses was in the mount, receiving the law from God, the people had time to meditate upon what had been delivered, and prepare themselves for what was further to be revealed, and forty days was little enough for that work; but, instead of that, there were those among them that were contriving how to break the laws they had already received, and to anticipate those which they were in expectation of. On the thirty-ninth day of the forty, the plot broke out of rebellion against the Lord.... read more