One must work with time and not against it.

Part of the particular interest and beauty of science fiction and fantasy: writer and reader collaborate in world-making.

Even in the obscure vast history of a planet the time it takes to make a forest counts. It takes a while. And not every planet can do it; it is no common effect, that tangling of the sun's first cool light in the shadow and complexity of innumberable wind-stirred branches.

What is love of one's country; is it hate of one's uncountry? Then it's not a good thing.

Art and Entertainment are the same thing, in that the more deeply and genuinely entertaining a work is, the better art it is. To imply that Art is something heavy and solemn and dull, and Entertainment is modest but jolly and popular, is neo-Victorian idiocy at its worst.

If a book told you something when you were fifteen, it will tell you it again when you're fifty, though you may understand it so differently that it seems you're reading a whole new book.

Age and illness made one a dualist