Romans 7:21

21I findΕὑρίσκωsoἄραtheτὸνprincipleνόμονthatτῷdesiringθέλοντιmeἐμοὶto doποιεῖντὸgoodκαλὸνthatὅτιmeἐμοὶτὸevilκακὸνis present withπαράκειται·

I find, then, the law in my wanting to do good, that evil is present with me.