Exodus 12:13

12:13 The blood will be a sign for you on the houses where you are, so that when I see the blood I will pass over you, and this plague will not fall on you to destroy you when I attack the land of Egypt.

Exodus 18:22

18:22 They will judge the people under normal circumstances, and every difficult case they will bring to you, but every small case they themselves will judge, so that you may make it easier for yourself, and they will bear the burden with you.