Exodus 4:12 YLT

¹⁰  And Moses saith unto Jehovah, 'O, my Lord, I 'am' not a man of words, either yesterday, or before, or since Thy speaking unto Thy servant, for I 'am' slow of mouth, and slow of tongue.'

¹¹  And Jehovah saith unto him, 'Who appointed a mouth for man? or who appointeth the dumb, or deaf, or open, or blind? is it not I, Jehovah?

¹²  and now, go, and I -- I am with thy mouth, and have directed thee that which thou speakest;'

¹³  and he saith, 'O, my Lord, send, I pray thee, by the hand Thou dost send.'

¹⁴  And the anger of Jehovah burneth against Moses, and He saith, 'Is not Aaron the Levite thy brother? I have known that he speaketh well, and also, lo, he is coming out to meet thee; when he hath seen thee, then he hath rejoiced in his heart,