I was doing a terrible thing in using the very books you...

I was doing a terrible thing in using the very books you clung to, to rebut you on every hand, on every point! What traitors books can be! You think they're backing you up, and then they turn on you. Others can use them, too, and there you are, lost in the middle of the moor, in a great welter of nouns and verbs and adjectives.