Berean Standard Bible (BSB)
If anyone thinks he is something when he is nothing, he deceives himself.
World English Bible (WEB)
For if a man thinks himself to be something when he is nothing, he deceives himself.
Strong's King James
For{G1063} if a man{G1536} think himself{G1380}{(G5719)} to be{G1511}{(G5750)} something{G5100}, when he is{G5607}{(G5752)} nothing{G3367}, he deceiveth{G5422}{(G5719)} himself{G1438}.
The F.O.G *
(3) For if anyone thinks they are something, they are nothing ,they are deceiving themselves!
The F.O.G Message *
Young's Literal Translation
for if any one doth think himself to be something—being nothing—himself he doth deceive;