The number of books will grow continually, and one can predict that a time will come when it will be almost as difficult to learn anything from books as from the direct study of the whole universe.

• 书籍的数量将持续增加，人们可以预言这样一个时代即将到来，到那时从书本中学习任何知识几乎将会和直接研究整个宇宙一样困难。