(2Ti 3:8)” Now as Jannes and Jambres withstood Moses, so do these also resist the truth: men of corrupt minds, reprobate concerning the faith. (9) But they shall proceed no further: for their folly shall be manifest unto all men, as theirs also was.” Interesting word, “folly”. It means stupidity, but by implication “rage”. So, it is self exaltation based upon a reaction to a negative in the mind. Remember: these men thought they were being wronged by Moses and were just as accepted in the sight of God as him. Wrong: he was appointed of God. Big difference (2 Cor 10:18). Be careful, brother, not to exalt yourself wrongly in your own mind!