Romans 1:14

14To GreeksἝλλησίνbothτεandκαὶto barbariansβαρβάροις,to [the] wiseσοφοῖςbothτεandκαὶ[the] foolishἀνοήτοιςa debtorὀφειλέτηςI amεἰμί·

I am a debtor both to Greeks and to barbarians, both to wise and to foolish.