30. they were afraid to come nigh him—Their fear arose from a sense of guilt—the beaming radiance of his countenance made him appear to their awe-struck consciences a flaming minister of heaven.

     33. he put a veil on his face—That veil was with the greatest propriety removed when speaking with the Lord, for every one appears unveiled to the eye of Omniscience; but it was replaced on returning to the people—and this was emblematic of the dark and shadowy character of that dispensation (2Co 3:13, 14).