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 3:20

3:20 And again, “The Lord knows that the thoughts of the wise are futile.”

tn Grk “let no one deceive himself.”

sn A quotation from Ps 94:11.