I Corinthians 1:18, 23-24
I Corinthians 1:18 NKJV
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.
I Corinthians 1:23-24 NKJV
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.