Yeah, size is no guarantee of power,โ said George. โLook at Ginny.โ โWhat dโyou mean?โ said Harry. โYouโve never been on the receiving end of one of her Bat-Bogey Hexes, have you?
J. K. RowlingOf course we still want to know you!" Harry said, staring at Hagrid. "You don't think anything that Skeeter cow - sorry, Professor," he added quickly, looking at Dumbledore. "I have gone temporarily deaf and haven't any idea what you said, Harry," said Dumbledore, twiddling his thumbs and staring at the ceiling.
J. K. Rowling