Friedrich Nietzsche – Whoever fights monsters Share this quote: Whoever fights monsters should see to it that in the process he doesn’t become a monster. He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you. – Friedrich Nietzsche (Oct 15, 1844-Aug 25, 1900) Is this quotation insightful, though-provoking, useful? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0