"We are fools for Christ's sake, but ye are wise in Christ; we are weak, but ye are strong; ye are honourable, but we are despised." (KJV).
"For the wisdom of this world is foolishness in God's sight. As it is written: "He catches the wise in their craftiness." (1 Corinthians 3:19)
"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." (1 Corinthians 1:18)
"For since in the wisdom of God the world through its wisdom did not know him, God was pleased through the foolishness of what was preached to save those who believe." (1 Corinthians 1:21)