Mat 5:22 But I say to you that everyone who is angry with his brother will be liable to judgment; whoever insults his brother will be liable to the council; and whoever says, ‘You fool!’ will be liable to the hell of fire.
Mat 7:26 And everyone who hears these words of mine and does not do them will be like a foolish man who built his house on the sand.
Mat 23:17 You blind fools! For which is greater, the gold or the temple that has made the gold sacred?
Mat 25:2 Five of them were foolish, and five were wise.
Mat 25:3 For when the foolish took their lamps, they took no oil with them,
Mat 25:8 And the foolish said to the wise, ‘Give us some of your oil, for our lamps are going out.’
1Cor 1:25 For the foolishness of God is wiser than men, and the weakness of God is stronger than men.

1Cor 1:27 But God chose what is foolish in the world to shame the wise; God chose what is weak in the world to shame the strong;

1Cor 3:18 Let no one deceive himself. If anyone among you thinks that he is wise in this age, let him become a fool that he may become wise.
1Cor 4:10 We are fools for Christ’s sake, but you are wise in Christ. We are weak, but you are strong. You are held in honor, but we in disrepute.
2Ti 2:23 Have nothing to do with foolish, ignorant controversies; you know that they breed quarrels.
Tit 3:9 But avoid foolish controversies, genealogies, dissensions, and quarrels about the law, for they are unprofitable and worthless.
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