2 Bible Verses about Foolishness

And every one that heareth these sayings of mine, and doeth them not, shall be likened to a foolish man, who built his house upon the sand; and the rain descended, and the streams came, and the winds blew, and beat upon that house; and it fell; and great was its fall. And it came to pass, when Jesus had ended these sayings, that the multitudes were astonished at his teaching.

But why call ye me Lord, Lord, and do not the things which I say? Every one that cometh to me and heareth my sayings and doeth them, I will show you whom he is like. He is like a man building a house, who dug deep, and laid its foundation on a rock; and when a flood arose, the stream dashed against that house, and could not shake it; because it was well built. read more.
But he that heareth and doeth not, is like a man that built a house upon the earth without a foundation; against which the stream dashed, and it fell at once, and the ruin of that house was great.

Where is the wise man? Where the scribe? Where the disputer of this world? Hath not God made foolish the wisdom of the world? For since, in the wisdom of God, the world by its wisdom knew not God, it pleased God by the foolishness of preaching to save those who believe; since even Jews ask for signs, and the Greeks seek for wisdom; read more.
but we preach Christ crucified, to Jews a stumblingblock, and to gentiles foolishness, but to those who are called, both Jews and Greeks, Christ the power of God, and the wisdom of God. Because the foolishness of God is wiser than men; and the weakness of God is stronger than men.

But fornication, and all uncleanness, or covetousness, let it not even be named among you, as becometh saints, neither obscenity, nor foolish talking, nor indecent jesting, which are not becoming; but rather giving of thanks.

But the unspiritual man receiveth not the things of the Spirit of God; for they are foolishness to him, and he cannot know them; because they are spiritually discerned.

For the preaching of the cross is to those who are perishing, foolishness, but to us who are being saved, it is the power of God.

Let no one deceive himself; if any one thinketh himself wise among you in this world, let him become a fool, that he may become wise. For the wisdom of this world is foolishness with God; for it is written: "He that taketh the wise in their craftiness;"

For I think that God hath set forth us the apostles as lowest, as men sentenced to death; for we have been made a spectacle to the world, to angels, and to men. We are fools for Christs sake, but ye are wise in Christ; we are weak, but ye are strong; ye are in honor, but we are despised.