Parallel
Galatians 6:3
Nestle 1904 Greek New Testament · Berean Standard Bible
εἰ γὰρ δοκεῖ τις εἶναί τι μηδὲν ὤν φρεναπατᾷ ἑαυτόν
If anyone thinks he is something when he is nothing, he deceives himself.