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Galatians 6:4
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
τὸ δὲ ἔργον ἑαυτοῦ δοκιμαζέτω ἕκαστος, καὶ τότε εἰς ἑαυτὸν μόνον τὸ καύχημα ἕξει, καὶ οὐκ εἰς τὸν ἕτερον.
Each one should test his own work. Then he will have reason to boast in himself alone, and not in someone else.