Exodus 4
12 Ref Now therefore go, and I will be with your mouth, and teach you what you shall speak."
13 Ref He said, "Oh, Lord, please send someone else."
14 Ref The anger of Yahweh was kindled against Moses, and he said, "What about Aaron, your brother, the Levite? I know that he can speak well. Also, behold, he comes forth to meet you. When he sees you, he will be glad in his heart.