Exodus 4:12

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

Exodus 4:12 Meaning and Commentary

Exodus 4:12

Now therefore go, and I will be with thy mouth
And put words into it, and cause it to speak readily and powerfully; and so it appears that he was mighty in words, as well as in deeds, ( Acts 7:22 ) : and teach thee what thou shalt say;
to Pharaoh, to the Israelites, and to Aaron, that was to speak for him, as is hereafter observed.

Exodus 4:12 In-Context

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,
Young's Literal Translation is in the public domain.