κακῶς ποιεῖν
From LSJ
Ἴσος ἴσθι πᾶσι, κἂν ὑπερέχῃς τῷ βίῳ → Quamvis superior sorte, da te aequum omnibus → Sei allen gleich, auch wenn du reicher bist
Greek > English (Woodhouse)
harm, injure, do a bad turn, do in injury, do one a bad turn, evilly entreat, treat ill, use ill
