Exodus 2:14

2:14 The man replied, “Who made you a ruler and a judge over us? Are you planning to kill me like you killed that Egyptian?” Then Moses was afraid, thinking, “Surely what I did has become known.”

Exodus 3:12

3:12 He replied, “Surely I will be with you, and this will be the sign to you that I have sent you: When you bring the people out of Egypt, you and they will serve God on this mountain.”