That's excellent, nickel; we could also ransack Herodotus for appropriate passages, and there would be many, but what stands out in my mind is again in modern Greek, the inscription Kazantzakis wrote for his own tombstone: Δεν ελπίζω τίποτα, δε φοβούμαι τίποτα, είμαι ελεύθερος! (I have no hope, I have no fear, I am free!)
[Nαι, το ξέρω ότι το έγραψε "λέφτερος," μα να μην μπερδέψω τον πελάτη ...]