Exodus 3:1

3:1 Now Moses was shepherding the flock of his father-in-law Jethro, the priest of Midian, and he led the flock to the far side of the desert and came to the mountain of God, to Horeb.

Exodus 3:10

3:10 So now go, and I will send you to Pharaoh to bring my people, the Israelites, out of Egypt.”