Commentaries
4:1-9 Moses objects, that the people would not take his word, unless he showed them some sign. God gives him power to work miracles. But those who are now employed to deliver God's messages to men, need not the power to work miracles: their character and their doctrines are to be tried by that word of God to which they appeal. These miracles especially referred to the miracles of the Lord Jesus Christ. It belonged to Him only, to cast the power of the devil out of the soul, and to heal the soul of the leprosy of sin; and so it was for Him first to cast the devil out of the body, and to heal the leprosy of the body.
9. take of the water of the river—Nile. Those miracles, two of which were wrought then, and the third to be performed on his arrival in Goshen, were at first designed to encourage him as satisfactory proofs of his divine mission, and to be repeated for the special confirmation of his embassy before the Israelites.