2 Bible Verses about Foolishness

And every one hearing these words of mine, and doing them not, shall be likened unto a foolish man, who built his house upon the sand. And the rain came down, and the rivers came, and the winds blew, and beat against that house; and it fell: and great was the fall of it. And it came to pass when Jesus finished these discourses, the multitudes were astonished at His teaching:

But why do you call me Lord, Lord, and do not the things which I say? Every one coming to me, and hearing my words, and doing the same, I will show you to whom he is like. He is like unto a man building a house, who dug and went down deep, and laid the foundation upon the rock: and there being a flood, the river broke against that house, and it was not able to shake it; for it was founded on the rock. read more.
But the one hearing and not doing, is like unto a man building his house upon the ground without a foundation; against which the river broke, and it fell immediately, and great was the fall of that house.

Where is the wise man? where is the scribe? where is the investigator of this age? has not God rendered the wisdom of the world foolishness? For since in the wisdom of God the world by wisdom knew not God, God was pleased through the foolishness of preaching to save those who believe. Since indeed the Jews ask for miracles, and the Greeks seek after wisdom; read more.
but we preach Christ having been crucified, to the Jews indeed a stumbling block, and to the Gentiles foolishness; but to you 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 all fornication, and uncleanness, or covetousness, let it not be named among you, as it becomes saints; and indecorum, or foolish talking, or indecent jesting, which is not becoming, but rather the giving of thanks:

But the intellectual man receives not the things of the Spirit of God; for they are foolishness unto him; and he is not able to know them, because they are spiritually discerned.

For the word of the cross is foolishness indeed to those who are lost; but to those who are saved it is the power of God.

Let no one deceive himself. If any one seems to be wise among you in this age, let him become a fool, that he may be wise. For the wisdom of this world is foolishness with God. For it has been written. He taketh the wise in their own craftiness.

For, I think, God has exhibited us apostles the last, as exposed to death: that we may become a theater to the world, and to angels, and to men. We are fools for Christ's sake, but you are wise in Christ; we are weak, but you are strong; you are glorious, but we are dishonorable.