Exodus 12:42

12:42 It was a night of vigil for the Lord to bring them out from the land of Egypt, and so on this night all Israel is to keep the vigil to the Lord for generations to come.

Exodus 14:31

14:31 When Israel saw the great power that the Lord had exercised over the Egyptians, they feared the Lord, and they believed in the Lord and in his servant Moses.

Exodus 19:10

19:10 The Lord said to Moses, “Go to the people and sanctify them today and tomorrow, and make them wash their clothes