He [Nico] regarded Jason, as if waiting for an attack. 'If the others found out-' 'If the others found out,' Jason said, 'You'd have that many more people to back you up, and to unleash the fury of the gods on anybody who gives you trouble.

I picked up Pandora's jar. The spirit of Hope fluttered inside, trying to warm the cold container. "Hestia," I said, "I give this to you as an offering." The goddess tilted her head. "I am the least of the gods. Why would you trust me with this?" "You're the last Olympian," I said. "And the most important." "And why is that, Percy Jackson?" "Because Hope survives best at the hearth," I said. "Guard it for me, and I won't be tempted to give up again."

Have you ever noticed how parents can go from the most wonderful people in the world to totally embarrassing in three seconds?

It seemed weird calling a teenager 'sir' but I'd learned to be careful with immortals. They tended to get offended easily. Then, they blew stuff up.

Good fighting with you, Seaweed Brain." Ditto.

Nico di Angelo came into Olympus to a hero's welcome, his father right behind him, despite the fact that Hades was only supposed to visit Olympus in winter solstice. The God of the dead looked stunned when his relatives clapped him on the back. I doubt he'd ever got such an enthusiastic welcome before.

Whenever Percy stopped by to see [Annabeth], she was so lost in thought that the conversation went something like this: Percy: 'Hey, how's it going?' Annabeth: 'Uh, no thanks.' Percy: 'Okay...have you eaten anything today?' Annabeth: 'I think Leo is on duty. Ask him.' Percy: 'So, my hair is on fire.' Annabeth: 'Okay, in a while.