NET

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.

Darby

18 Let no one deceive^D8242 himself: if any one thinks himself to be^D8243 wise among you in this world, let him become foolish, that he may be wise.

Darby Bible Notes

deceive - A strong word. See Note at 1Tim. 2.14. be - Or 'has the appearance of being.'

KJV

18 Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.

Strong's

18 Let ^G1818 no man^G3367 deceive^G1818 himself^G1438. If any man^G1536 among^G1722 you^G5213 seemeth^G1380 to be^G1511 wise^G4680 in^G1722 this^G5129 world^G165, let him become^G1096 a fool^G3474, that^G2443 he may be^G1096 wise^G4680.