Exodus 34:2-4

2So be ready in the morning, and come up in the morning to Mount Sinai, and present yourself to Me there on the top of the mountain.

3And no man shall come up with you, and let no man be seen throughout all the mountain; let neither flocks nor herds feed before that mountain.”

4So he cut two tablets of stone like the first ones. Then Moses rose early in the morning and went up Mount Sinai, as the Lord had commanded him; and he took in his hand the two tablets of stone.