Then Moses answered [the Lord] and said, “What if they will not believe me or take seriously what I say? For they may say, ‘The Lord has not appeared to you.’”

And Moses spoke before Jehovah, saying, Lo, the children of Israel do not hearken to me: how then should Pharaoh hearken to me, to me of uncircumcised lips?

You must also do this for your oxen and for your sheep; seven days they may remain with their mothers, but give them to me on the eighth day.

And Yahweh said to Moses, "Come up to me [on] the mountain, and be there, and I will give you the tablets of stone and the law and the commandments that I have written to instruct them."

And be ready by the morning, and come up in the morning unto mount Sinai, and present thyself there to me on the top of the mount.