we had a little controversy over it , and i have promised him that i will not change my religion unless i am absolutely sure it is the right course . a giant tree trunk crumpled in the hood . `` i think we should all go upstairs , '' she said , hoping her voice did n't show her own fear . i 'm not trying to impede your investigation . sue listened with her face getting longer and longer . `` what 's the difference between darling cruel , the wind , and a vacuum ? '' 