1 Corinthians 1:18, 23
1 Corinthians 1:18 KJV
For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God.
1 Corinthians 1:23 KJV
but we preach Christ crucified, unto the Jews a stumblingblock, and unto the Greeks foolishness