1 Corinthians 1:18
The Message of the Cross
1:18 For the message about the cross is foolishness to those who are perishing, but to us who are being saved it is the power of God.
1 Corinthians 2:14
2:14 The unbeliever
does not receive the things of the Spirit of God, for they are foolishness to him. And he cannot understand them, because they are spiritually discerned.
1 Corinthians 3:19
3:19 For the wisdom of this age is foolishness with God. As it is written, “
He catches the wise in their craftiness.”