Exodus 18:15

18:15 Moses said to his father-in-law, “Because the people come to me to inquire of God.

Exodus 18:19

18:19 Now listen to me, I will give you advice, and may God be with you: You be a representative for the people to God, and you bring their disputes to God;

Exodus 18:26

18:26 They judged the people under normal circumstances; the difficult cases they would bring to Moses, but every small case they would judge themselves.