29. Moses wist not that the skin of his face shone while he talked with him—It was an intimation of the exalted presence into which he had been admitted and of the glory he had witnessed (2Co 3:18); and in that view, it was a badge of his high office as the ambassador of God. No testimonial needed to be produced. He bore his credentials on his very face; and whether this extraordinary effulgence was a permanent or merely temporary distinction, it cannot be doubted that this reflected glory was given him as an honor before all the people.

     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.