I Corinthians 1:18, 23-25

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

but we preach Christ crucified, to the Jews a stumbling block and to the Greeks 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.