(12) I will be with thy mouth. — To suggest words (see Matthew 10:19-20), and assist utterance. Comp. the reluctance of Jeremiah (Jeremiah 1:6), and God’s dealings with him (Jeremiah 1:7-9).
Related Commentaries of Exodus 4:12
Exodus 4:12
12 Now therefore go, and I will be with thy mouth, and teach thee what thou shalt say.