“Hercules used noise! Brass bells! He scared them away with the most horrible sound he could-" said Percy
"Percy… Chiron's collection!”

“What did he say?" Hazel asked.
"With the cussing removed? He said he can get us to the top," Percy replied.”

“Correct." Kekrops sounded bitter, like he regretted his decision. "My people were the original Athenians--the gemini."
"Like your zodiac sign?" Percy asked. "I'm a Leo."
"No, stupid," Leo said. "I'm a Leo. You're a Percy.”

“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.”

“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.”

“Percy, lesser beings do many horrible things in the name of the gods. That does not mean we gods approve. The way our sons and daughters act in our names… well, it usually says more about THEM than it does about us.”

“Chiron had said once that nations were the most foolish of mortal inventions. "No man is worth more than another, wherever he is from.”

“Percy is the most powerful demigod I've ever met. No offense to you guys but it's true.”

“Hello George. Hey Martha (Percy) Did you bring us a rat? (George) George, stop it! He's busy! (Martha) Too busy for rats? That's just sad. (George)”

“Coach," Annabeth said, "it was an accident. We were talking, and we fell asleep."
"Besides," Percy said, "you're starting to sound like Terminus."
Hedge narrowed his eyes. "Is that an insult, Jackson? 'Cause I'll-I'll Terminus you, buddy!”