Do you mean ter tell me,"he growled at the Dursleys, "that t... - J.K. Rowling, Harry Potter and the Sorcerer's Stone
"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."