There are, it has been said, two types of people in the world. There are those who, when presented with a glass that is exactly half full, say: this glass is half full. And then there are those who say: this glass is half empty. The world belongs, however, to those who can look at the glass and say: What's up with this glass? Excuse me? Excuse me? This is my glass? I don't think so. My glass was full! And it was a bigger glass! Who's been pinching my beer?
Terry PratchettIt was also a room full of books and made of books. There was no actual furniture; this is to say, the desk and chairs were shaped out of books. It looked as though many of them were frequently referred to, because they lay open with other books used as bookmarks.
Terry Pratchett