Read books are far less valuable than unread ones. [Your] library should contain as much of what you do not know as your financial means, mortgage rates, and the currently tight real-estate market allows you to put there. You will accumulate more knowledge and more books as you grow older, and the growing number of unread books on the shelves will look at you menacingly. Indeed, the more you know, the larger the rows of unread books. Let us call this collection of unread books an antilibrary.
Better to know a few things which are good and necessary than many things which are useless and mediocre.
What a great treasure can be hidden in a small, selected library! A company of the wisest and the most deserving people from all the civilized countries of the world, for thousands of years, can make the results of their studies and their wisdom available to us. The thought which they might not even reveal to their best friends is written here in clear words for us, people from another century. Yes, we should be grateful for the best books, for the best spiritual achievements in our lives.
Until then I had thought each book spoke of the things, human or divine, that lie outside books. Now I realized that not infrequently books speak of books: it is as if they spoke among themselves. In the light of this reflection, the library seemed all the more disturbing to me. It was then the place of a long, centuries-old murmuring, an imperceptible dialogue between one parchment and another, a living thing, a receptacle of powers not to be ruled by a human mind, a treasure of secrets emanated by many minds, surviving the death of those who had produced them or had been their conveyors.
? The Name of the Rose