Joseph Benson's Commentary of the Old and New Testaments - Exodus 7:11
Exodus 7:11. Moses had been originally instructed in the learning of the Egyptians, and was suspected to have improved in magical arts in his long retirement. The magicians are therefore sent for to vie with him. The two chief of them were Jannes and Jambres. Their rods became serpents, probably by the power of evil angels, artfully substituting serpents in the room of the rods, God permitting the delusion to be wrought for wise and holy ends. But the serpent which Aaron’s rod was turned... read more
Albert Barnes' Notes on the Whole Bible - Exodus 7:11
Three names for the magicians of Egypt are given in this verse. The “wise men” are men who know occult arts. The “sorcerers” are they who “mutter magic formulae,” especially when driving away crocodiles, snakes, asps, etc. It was natural that Pharaoh should have sent for such persons. The “magicians” are the “bearers of sacred words,” scribes and interpreters of hieroglyphic writings. Books containing magic formulae belonged exclusively to the king; no one was permitted to consult them but the... read more