And afterward Moses and Aaron went in and said to Pharaoh, “Thus says the Lord, the God of Israel, ‘Let My people go, that they may hold a feast to Me in the wilderness.’ ”
You therefore gird up your loins and arise, and speak to them all that I command you. Do not be dismayed at their faces, lest I confound you before them.
You shall not add to the word which I am commanding you, nor shall you take anything from it, so that you may keep the commandments of the Lord your God which I command you.