picking up a jelly-like ball , i squeezed it softly between my fingers , watching the thin liquid within ooze from side to side . it had to go out : by now it was past midday . suddenly there was a knock on the door , which shook him from his thoughts . we do n't have time for you to quibble . '' she stared at them for some time . `` i did n't realize we were supposed to be quiet . '' that has always been the question . i stared at the files marked with the paw print . 