Exodus 18:9-15

9And Jethro rejoiced for all the goodness which Jehovah had done to Israel, in that he had delivered them out of the hand of the Egyptians. 10And Jethro said, Blessed be Jehovah, 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 Jehovah is greater than all gods; yea, in the thing wherein they dealt proudly against 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 about 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 about thee from morning unto even? 15And Moses said unto his father-in-law, Because the people come unto me to inquire of God: