But you must not change one thing, one pebble, one grain of sand, until you know what good and evil will follow on that act. The world is in balance, in Equilibrium. A wizard's power of Changing and Summoning can shake the balance of the world. It is dangerous, that power...It must follow knowledge, and serve need.

What you love, you will love. What you undertake you will complete. You are a fulfiller of hope; you are to be relied on. But seventeen years give little armor against despair...Consider, Arren. To refuse death is to refuse life.

Science fiction is not predictive; it is descriptive.... Prediction is the business of prophets, clairvoyants, and futurologists. It is not the business of novelists. A novelist's business is lying.... Open your eyes; listen, listen. That is what the novelists say. But they don't tell you what you will see and hear. All they can tell you is what they have seen and heard, in their time in this world, a third of it spent in sleep and dreaming, another third of it spent in telling lies.

Almost anything carried to a logical extreme becomes depressing.

Sometimes I not only stand there and take it, I even smile at them and say I'm sorry. When I feel that smile coming onto my face, I wish I could take my face off and stamp on it.

The wise needn't ask, the fool asks in vain.

At this point, realism is perhaps the least adequate means of understanding or portraying the incredible realities of our existence.