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 3:14

3:14 God said to Moses, “I am that I am.” And he said, “You must say this to the Israelites, ‘I am has sent me to you.’”

Exodus 5:2

5:2 But Pharaoh said, “Who is the Lord that I should obey him by releasing Israel? I do not know the Lord, and I will not release Israel!”

Exodus 23:27

23:27 “I will send my terror before you, and I will destroy all the people whom you encounter; I will make all your enemies turn their backs to you.