“Percy," Grover said, "the gods really don't appreciate people sitting in their thrones. I mean like turn-you-into-a-pile-of-ashes don't appreciate it.”

“Air is like cable TV: you don't appreciate it until you don't have it.”

“My thank-yous always come out rather labored. I often don't give them at all. People do what they're supposed to do and then wait for you to pile on the appreciation -- they're like frozen-yogurt employees who put out cups for tips.”

“Books should go where they will be most appreciated, and not sit unread, gathering dust on a forgotten shelf, don't you agree?”

“But I've never even been to Olympus! Zeus is crazy!"Chiron and Grover glanced nervously at the sky. The clouds didn't seem to be parting around us, as Grover had promised. They were rolling straight over our valley, sealing us in like a coffin lid.Er, Percy ...?" Grover said. "We don't use the c-word to describe the Lord of the Sky.”

“Some people just don't have what it takes to appreciate a cookie.”