Exodus 18:9-15

9And Jethro rejoiced for all the goodness which the Lord had done to Israel, whom he had delivered out of the hand of the Egyptians. 10And Jethro said, Blessed be the Lord, who hath delivered you out of the hand of the Egyptians, and out of the hand of Pharaoh, who hath delivered the people from under the hand of the Egyptians. 11Now I know that the Lord is greater than all gods: for in the thing wherein they dealt proudly he was above them. 12And Jethro, Moses’ father in law, took a burnt offering and sacrifices for God: and Aaron came, and all the elders of Israel, to eat bread with Moses’ father in law before God.

13And it came to pass on the morrow, that Moses sat to judge the people: and the people stood by Moses from the morning unto the evening. 14And when Moses’ father in law saw all that he did to the people, he said, What is this thing that thou doest to the people? why sittest thou thyself alone, and all the people stand by thee from morning unto even? 15And Moses said unto his father in law, Because the people come unto me to enquire of God: