Exodus 4:10-12

YLT(i) 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;'