1 Corinthians 1:21

1:21 For since in the wisdom of God the world by its wisdom did not know God, God was pleased to save those who believe by the foolishness of preaching.

1 Corinthians 1:23

1:23 but we preach about a crucified Christ, a stumbling block to Jews and foolishness to Gentiles.

1 Corinthians 1:25

1:25 For the foolishness of God is wiser than human wisdom, and the weakness of God is stronger than human strength.