“I'm perpetual tourist, and that's the best way to travel. Nobody gets used to you, you make new friends without having to hear anyone's everyday problems, and you jet back still feeling like a know-it-all.”

“Having a sister is like having a best friend you can't get rid of. You know whatever you do, they'll still be there.”

“That's how you know if a friend is the best kind. If time and miles get between you, yet when you come back together, it's like you were never apart.”

“Hubris means deadly pride, Percy. Thinking you can do things better than anyone else... even the gods.''You feel that way?'She [Annabeth] looked down. 'Don't you ever feel like, what if the world really is messed up? What if we could do it all over again from scratch? No more war. Nobody homeless. No more summer reading homework.''I'm listening.''I mean, the West represents a lot of the best things mankind ever did - that's why the fire is still burning. That's why Olympus is still around. But sometimes you just see the bad stuff, you know? And you start thinking the way Luke does: "If I could tear this all down, I would do it better." Don't you ever feel that way? Like you could do a better job if you ran the world?”

“You have always been what you are. That's not new. What you'll get use to, is knowing it.”

“You know how I get angry sometimes? That's because it's the only way I can still feel. And I need to test myself, to make sure I'm really here.”