Romans 7:18

18I knowοἶδαforγὰρthatὅτιnothingοὐκthere dwellsοἰκεῖinἐνmeἐμοί,thatτοῦτ’isἔστινinἐνtheτῇfleshσαρκίof meμου,goodἀγαθόν·τὸforγὰρto willθέλεινis present withπαράκειταίmeμοι,τὸbutδὲto doκατεργάζεσθαιtheτὸgoodκαλὸνnotοὔ·

For I know that there does not dwell in me—that is, in my flesh—good. For to want is present with me, but not to carry out the good.