“He had become a monster. You just couldn't see it...because it wore the face of a friend.”
“A man with a beard was always a little suspect anyway. You couldn't say you wore a beard because you liked a beard. People didn't like you for telling the truth. You had to say you had a scar so you couldn't shave.”
“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
“He had fought wizards (though not because he wished to), battled goblinkin (only because running hadn't been an option at the time), and faced incredible monsters (drat the luck he sometimes had when he thought about it).”
“The world is full of monsters with friendly faces.”
“The person who fights monsters should make sure that in the process, he does not become a monster himself. Because when you stare down at an abyss, the abyss stares back at you.”