And he said, Certainly I will be with thee; and this [shall be] a token unto thee, that I have sent thee: When thou hast brought forth the people out of Egypt, ye shall serve God upon this mountain.
Berean Study Bible (BSB) - Exodus 3:12 >“I will surely be with you,” God said, “and this will be the sign to you that I have sent you: When you have brought the people out of Egypt, all of you will worship God on this mountain.”