Exodus 4:12

4:12 So now go, and I will be with your mouth and will teach you what you must say.”

Exodus 4:15-16

4:15 “So you are to speak to him and put the words in his mouth. And as for me, I will be with your mouth and with his mouth, and I will teach you both what you must do. 4:16 He will speak for you to the people, and it will be as if he were your mouth and as if you were his God.