Exodus 3:11

3:11 Moses said to God, “Who am I, that I should go to Pharaoh, or that I should bring the Israelites out of Egypt?”

Exodus 10:8

10:8 So Moses and Aaron were brought back to Pharaoh, and he said to them, “Go, serve the Lord your God. Exactly who is going with you?”

Exodus 32:26

32:26 So Moses stood at the entrance of the camp and said, “Whoever is for the Lord, come to me.” All the Levites gathered around him,