There were a lot of answers I might've given, from "I knew that" to "LIAR!" to "Yeah right, and I'm Zeus." - Percy, after Quintus says that he is Daedalus

Powdered donuts," Tyson said earnestly. "I will look for powdered donuts in the wilderness." He headed outside and started calling, "Here, donuts!

Fair... You'd be amazed how often I hear that word, Frank Zhang,and how meaningless it is. Is it fair your life will burn so short and bright? Was it fair when I guided your mother to the Underworld? No, not fair. And yet it was her time. There is no fairness in Death. If you free me, I will do my duty.

Just remember if we get caught, you're deaf and I don't speak English.

It was beautiful in a harsh I'm-going-to-gut-you-like-a-fish kind of way.

Naturally, Coach Hedge went ballistic; but Percy found it hard to take the satyr seriously since he was barely five feet tall. "Never in my life!" Coach bellowed, waving his bat and knocking over a plate of apples. "Against the rules! Irresponsible!" "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!

See, bad things happen to me on field trips. Like at my fifth-grade school, when we went to the Saratoga battlefield, I had this accident with a Revolutionary War cannon. I wasn't aiming for the school bus, but of course I got expelled anyway. - Percy Jackson