Exodus 34:29-31

And it cometh to pass, when Moses is coming down from mount Sinai (and the two tables of the testimony [are] in the hand of Moses in his coming down from the mount), that Moses hath not known that the skin of his face hath shone in His speaking with him, and Aaron seeth — all the sons of Israel also — Moses, and lo, the skin of his face hath shone, and they are afraid of coming nigh unto him. And Moses calleth unto them, and Aaron and all the princes in the company return unto him, and Moses speaketh unto them