τὸ δὲ ἔργον ἑαυτοῦ δοκιμαζέτω ἕκαστος, καὶ τότε εἰς ἑαυτὸν μόνον τὸ καύχημα ἕξει, καὶ οὐκ εἰς τὸν ἕτερον.
But let every man prove his own work, and then shall he have rejoicing in himself alone, and not in another.
Cada uno debe examinar su propia conducta, y si tiene algo de qué enorgullecerse, que no lo compare con la conducta de los demás,