4 Bible Verses about Overestimation

Therefore I say through the grace given unto me, to all those that are among you not to obtain more knowledge than is prudent to know, but to obtain knowledge with temperance, each one according to the measure of faith that God has dealt.

For if anyone thinks himself to be something, when he is nothing, he deceives himself.

Be unanimous among yourselves, not high minded, but accommodating the humble. Do not be wise in your own opinion.

Therefore if I should desire to glory in these things, I should not be a fool; for I would say the truth, but now I forbear lest anyone should think of me above that which he sees me to be or that he hears of me.