One must work with time and not against it.

Secondhand experience breaks down a block from the car lot.

The Earth is beautiful, and bright, and kindly, but that is not all. The Earth is also terrible, and dark, and cruel.

What the brain does by itself is infinitely more fascinating and complex than any response it can make to chemical stimulation.

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.

That I was not dueling with the king, but trying to communicate with him, was itself an incommunicable fact.

What else can the young be? When you are on the bottom, you must organize from the bottom up