2 Corinthians 3:13

Then Moses finished speaking with them and put a veil over his face.

and the sons of Israel would see the face of Moses, that the skin of Moses’ face shone. So Moses would return the veil over his face until he went in to speak with Him.

But if the ministry of death, in letters having been engraved on stones, came with glory, so that the sons of Israel could not look intently at the face of Moses because of the glory of his face, which was being brought to an end,

For you have not come to a mountain that can be touched and to a blazing fire, and to darkness and gloom and whirlwind,