ἀεὶ καθεστῶτος τὸν ἥσσω ὑπὸ τοῦ δυνατωτέρου κατείργεσθαι

From LSJ

θεὸς δ' ἁμαρτάνουσιν οὐ παρίσταται → God doesn't stand by those who do wrong

Source