So when Moses' father-in-law saw all that he did for the people, he said, "What is this thing that you are doing for the people? Why do you alone sit, and all the people stand before you from morning until evening?"
Exodus 18:14
Surrounding context
18:13 And so it was, on the next day, that Moses sat to judge the people; and the people stood before Moses from morning until evening.
18:14 So when Moses' father-in-law saw all that he did for the people, he said, "What is this thing that you are doing for the people? Why do you alone sit, and all the people stand before you from morning until evening?"
18:15 And Moses said to his father-in-law, "Because the people come to me to inquire of God.