1 John 3:12

12notοὐasκαθὼςCainΚάϊν[who] ofἐκtheτοῦevil [one]πονηροῦwasἦνandκαὶslewἔσφαξενtheτὸνbrotherἀδελφὸνof himαὐτοῦ·Andκαὶbecause ofχάρινwhatτίνοςhe slayedἔσφαξενhimαὐτόν;Becauseὅτιtheτὰworksἔργαof himαὐτοῦevilπονηρὰwereἦν,thoseτὰhoweverδὲof theτοῦbrotherἀδελφοῦof himαὐτοῦrighteousδίκαια.

not as Cain, [who] was of the evil one and slew his brother. And why did he slay him? Because his works were evil, but those of his brother [were] righteous.