Exodus 4:12 in the World English Bible
Now therefore go, and I will be with your mouth, and teach you what you shall speak.”
Context
11 And the LORD said unto him, Who hath made man’s mouth? or who maketh the dumb, or deaf, or the seeing, or the blind? have not I the LORD?
12 Now therefore go, and I will be with thy mouth, and teach thee what thou shalt say.
13 And he said, O my Lord, send, I pray thee, by the hand of him whom thou wilt send.