"Basically," she nodded, then leant over, one green eye shining brightly, one brown eye gleaming dully. "A mortal can drive himself mad thinking about the nature of the universal puzzle. Concern yourself only with the problems of the present and you will get along fine."
- Evanna, Chapter 11, Book 10, Vampire
"The death of somebody you love is the second worst thing in world," Truska said softly. "Worst thing is letting it hurt you so much that you die too - inside. Larten's dead and I am sad for him, but if you go on as you are being, I will be sadder for you, because you will be dead too, even though your body lives."
- Truska to Darren Shan, Chapter 11, Book 10, Vampire