For 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.
Thus with the year Seasons return; but not to me returns Day, or the sweet approach of even or morn, Or sight of vernal bloom or summer's rose, Or flocks, or herds, or human face divine; But cloud instead, and ever-during dark Surrounds me; from the cheerful ways of men Cut off, and for the book of knowledge fair Presented with a universal blank Of Nature's works, to me expung'd and raz'd, And wisdom at one entrance quite shut out.
Incens'd with indignation Satan stood Unterrify'd, and like a comet burn'd That fires the length of Ophiuchus huge In th' arctic sky, and from his horrid hair Shakes pestilence and war.
Promiscuous reading is necessary to the constituting of human nature. The attempt to keep out evil doctrine by licensing is like the exploit of that gallant man who thought to keep out the crows by shutting the park gate.