Exodus 4:15 DBY

¹³  And he said, Ah Lord! send, I pray thee, by the hand [of him whom] thou wilt send.

¹⁴  Then the anger of Jehovah was kindled against Moses, and he said, Is not Aaron the Levite thy brother? I know that he can speak well. And also behold, he goeth out to meet thee; and when he seeth thee he will be glad in his heart.

¹⁵  And thou shalt speak unto him, and put the words in his mouth; and I will be with thy mouth, and with his mouth, and will teach you what ye shall do.

¹⁶  And he shall speak for thee unto the people; and it shall come to pass that he shall be to thee for a mouth, and thou shalt be to him for God.

¹⁷  And thou shalt take this staff in thy hand, with which thou shalt do the signs.