What happened down in the dungeons between you and Professor... - J.K. Rowling, Harry Potter and the Sorcerer's Stone

"Your mother died to save you. If there is one thing Voldemort cannot understand, it is love. Love as powerful as your mother's for you leaves it's own mark. To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever."

"Fear of a name increases fear of the thing itself."

"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."

"Fred, you next,"the plump woman said. "I'm not Fred, I'm George,"said the boy. "Honestly, woman, you call yourself our mother? Can't you tell I'm George?""Sorry, George, dear.""Only joking, I am Fred,"said the boy and off he went."

"They heard the click of the mail slot and flop of letters on the doormat. "Get the mail, Dudley,"said Uncle Vernon from behind his paper. "Make Harry get it.""Get the mail, Harry.""Make Dudley get it.""Poke him with your Smelting stick, Dudley."