„Whoa,” said Nico as he climbed off the bus. “Is that a climbing wall?””Yeah,” I (Percy) said.”Why is there lava pouring down it?””Little extra challenge…” – Percy“

— Rick Riordan
„Reyna sent me to get Percy," Frank said. "Did Octavian accept you?""Yeah," Percy said. "He slaughtered my panda.“
— Rick Riordan
„I (Percy) set Nico on guard duty with Beckendorf and the Stoll brothers, figuring he'd be safely out of the way.…"What's happening?" Nico demanded, trying to climb up next to me.“
— Rick Riordan
„Don't talk to my sister that way." Nico said. His voice quivered, but I was impressed that he had the guts to say anything at all. — Percy“
— Rick Riordan
„There's another problem," Percy said. "I'm not good with air travel. It's dangerous for a son of Neptune.""You'll have to risk it… and so will I," Frank said. "By the way, we're related."Percy almost stumbled off the roof. "What?“
— Rick Riordan
„Um," Grover said. "Percy?""Yeah?""I thought you'd want to know.""Yeah?""Cerberus? He's saying we've got ten seconds to pray to the god of our choice. After that… well… he's hungry.“
— Rick Riordan
„Great,” Percy said. “I always wanted to be glue.“
— Rick Riordan
„I had a crush on Percy," Nico spat. "That's the truth. That's the big secret.“
— Rick Riordan
„Hercules used noise! Brass bells! He scared them away with the most horrible sound he could-" said Percy"Percy… Chiron's collection!“
— Rick Riordan
„The older Nico got, the more juvenile Percy seemed to him, though Percy was three years older. Nico found his sense of humour equal parts endearing and annoying. He decided to concentrate on the annoying.“
— Rick Riordan
„Um… is that thing?" Frank said.The horse whinnied angrily."I don't think so," Percy guessed. "He just said“
— Rick Riordan
„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.“
— Rick Riordan
„Like water leaking through a dam," said Piper."Yeah," smiled Percy. "We've got a dam hole.""What?" Piper asked."Nothing," he said. "Inside joke.“
— Rick Riordan
„The rivalry ends here," [Percy] said. "I love you, Wise Girl.“
— Rick Riordan
„So,’ Nico said, ‘since we’re going to be spending at least a year seeing each other at camp, I think I should clear the air.’ Percy’s smile wavered. ‘What do you mean?“
— Rick Riordan
„I have some extra costumes-""No!" Ephialtes snapped, and for once Percy was in agreement.“
— Rick Riordan
„Like your zodiac sign? Percy asked. 'I'm a Leo.'No, stupid,' Leo said. I'm a Leo. You're a Percy.“
— Rick Riordan
„Percy scowled. "I-I know you."Nico raised his eyebrows. "Do you?“
— Rick Riordan
„I couldn’t miss Percy’s fifteenth birthday,” Poseidon said. “Why, if this were Sparta, Percy would be a man today!”"That’s true,” Paul said. “I used to teach ancient history.”Poseidon’s eyes twinkled. “That’s me. Ancient history.“
— Rick Riordan