"As much money and life as you could want! The two things most human beings would choose above all - the trouble is, humans do have a knack of choosing precisely those things that are worst for them."
"There is no good and evil, there is only power and those too weak to seek it."
"No, thanks,"said Harry. "The toilet's never had anything as horrible as your head down it— it might be sick."Then he ran, before Dudley could work out what he'd said."
"He didn't realize that love as powerful as your mother's for you leaves its own mark."
"Do you mean ter tell me,"he growled at the Dursleys, "that this boy—this boy!—knows nothin' abou'—about ANYTHING?"Harry thought this was going a bit far. He had been to school, after all, and his marks weren't bad."I know some things,"he said. "I can, you know, do math and stuff."
"The truth."Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution."