1 Corinthians 3:18

3:18 Guard against self-deception, each of you. If someone among you thinks he is wise in this age, let him become foolish so that he can become wise.

1 Corinthians 15:15

15:15 Also, we are found to be false witnesses about God, because we have testified against God that he raised Christ from the dead, when in reality he did not raise him, if indeed the dead are not raised.

1 Corinthians 16:12

16:12 With regard to our brother Apollos: I strongly encouraged him to visit you with the other brothers, but it was simply not his intention to come now. He will come when he has the opportunity.