Exodus 15:26

15:26 He said, “If you will diligently obey the Lord your God, and do what is right in his sight, and pay attention to his commandments, and keep all his statutes, then all the diseases that I brought on the Egyptians I will not bring on you, for I, the Lord, am your healer.”

Exodus 25:30

25:30 You are to set the Bread of the Presence on the table before me continually.

Exodus 35:3

35:3 You must not kindle a fire in any of your homes on the Sabbath day.”