1 Corinthians 8:2

8:2 If someone thinks he knows something, he does not yet know to the degree that he needs to know.

1 Corinthians 11:16

11:16 If anyone intends to quarrel about this, we have no other practice, nor do the churches of God.

1 Corinthians 14:37

14:37 If anyone considers himself a prophet or spiritual person, he should acknowledge that what I write to you is the Lord’s command.

1 Corinthians 3:18

3:18 Guard against self-deception, each of you. ¹  If someone among you thinks he is wise in this age, let him become foolish so that he can become wise.

[3:18]  ¹ tn Grk “let no one deceive himself.”