Just as Jannes and Jambres opposed Moses, so also these men oppose the truth. They are depraved in mind and disqualified from the faith.
Now--Greek, "But"; it is no wonder there should be now such opponents to the truth, for their prototypes existed in ancient times [ALFORD]. Jannes . . . Jambres--traditional names of the Egyptian magicians who resisted Moses (Exo 7:11, Exo 7:22), derived from "the unwritten teaching of the Jews" [THEODORET].
But they shall proceed no further,.... They may proceed to more ungodliness, and wax worse and worse in error; but they shall proceed no further than the magicians of Egypt, who did lying wonders, hardened Pharaoh's heart, and deceived him and the Egyptians; but could not destroy the Israelites, nor hinder their departure out of Egypt, when their time was come: so these wicked men...
Verse 8. Now as Jannes and Jambres withstood Moses. The names of these two men are not elsewhere mentioned in the Bible. They are supposed to have been two of the magicians who resisted Moses, , et al., and who opposed their miracles to those of Moses and Aaron.