And Aaron and the children of Israel saw it, and were afraid — It not only dazzled their eyes, but struck such an awe upon them as obliged them to retire. Probably they doubted whether it was a token of God's favour, or of his displeasure.
Related Commentaries of Exodus 34:30
Exodus 34:30
30 And when Aaron and all the children of Israel saw Moses, behold, the skin of his face shone; and they were afraid to come nigh him.