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Books are not absolutely dead things, but do contain a potency of life in them to be as active as that soul was whose progeny they are; nay they do preserve as in a vial the purest efficacy and extraction of that living intellect that bred them.

书并不是绝对没有生命的东西，但书中确实包含着生命的力量，使之像它的后代那样活跃;不，它们确实像小瓶一样，保存着孕育它们的活生生的智慧的最纯粹的效力和精华。

— John Milton 约翰·米尔顿