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 18:14

18:14 When Moses’ father-in-law saw all that he was doing for the people, he said, “What is this that you are doing for the people? Why are you sitting by yourself, and all the people stand around you from morning until evening?”