“Monsters don't die. They just dissipate into smoke and dust, which saves heroes a lot of trouble cleaning up after a fight.”

“Poison!" Grover yelped. "Don't let those things touch you or...""Or we'll die?" I guessed."Well...after you shrivel slowly to dust, yes.""Let's avoid the swords," I decided.”

“Humans don't exist on the same level as immortals. They can't even be hurt by our weapons. But you, Percy--you are part god, part human. You live in both worlds. You can be harmed by both, and you can affect both. That's what makes heroes so special. You carry the hopes of humanity into the realm of the eternal. Monsters never die. They are reborn from the chaos and barbarism that is always bubbling beneath civilization, the very stuff that makes Kronos stronger. They must be defeated again and again, kept at bay. Heroes embody that struggle. You fight the battles humanity must win, every generation, in order to stay human."-Chiron ”

“I prayed the monsters would give up. Or that perhaps Philip of Macedonia would climb back to the terrace (do crocodiles climb?) and renew the fight.”

“Alabaster, you told me earlier that heroes don't die. You may be right, but I can tell you one thing." Claymore looked the boy in the eyes. "I'm not a hero.”

“I can try to disable it," I said, "but if I mess up, this whole apartment is going to fill with gas. We'll die."Thalia swallowed. " I trust you. Just... don't mess it up.”

“Being a hero doesn’t mean you’re invincible. It just means that you’re brave enough to stand up and do what’s needed.”