A well-stocked mind is safe from boredom.
Space is what stops everything from happening in the same place.
Good morning, doctors. I have taken the liberty of removing Windows 95 from my hard drive.
As three laws were good enough for Newton, I have modestly decided to stop there.
It was the mark of a barbarian to destroy something one could not understand.
Few artists thrive in solitude and nothing is more stimulating than the conflict of minds with similar interests.
But he knew well enough that any man in the right circumstances could be dehumanised by panic.
Isn’t killing people in the name of God a pretty good definition of insanity?
Our own grandchildren may demonstrate that-sometimes- Gigantic is Beautiful.
There is a special sadness in achievement, in the knowledge that a long-desired goal has been attained at last, and that life must now be shaped toward new ends.
If there are any gods whose chief concern is man, they can’t be very important gods.
It may be that the old astrologers had the truth exactly reversed, when they believed that the stars controlled the destinies of men. The time may come when men control the destinies of stars.
One of the biggest roles of science fiction is to prepare people to accept the future without pain and to encourage a flexibility of the mind. Politicians should read science fiction, not westerns and detective stories.
Anything that is theoretically possible will be achieved in practice, no matter what the technical difficulties are, if it is desired greatly enough.
The creation of wealth is certainly not to be despised, but in the long run the only human activities really worthwhile are the search for knowledge, and the creation of beauty. This is beyond argument, the only point of debate is which comes first.
They would never know how lucky they had been. For a lifetime, mankind had achieved as much happiness as any race can ever know. It had been the Golden Age. But gold was also the color of sunset, of autumn: and only Karellen’s ears could catch the first wailings of the winter storms.
If we both believe that we have nothing to learn from the other, is it not obvious that we will both be wrong?
It is a bitter thought, but you must face it. The planets you may one day possess. But the stars are not for man.
Long ago it had been discovered that without some crime or disorder, Utopia soon became unbearably dull.
And there still remained, for all men to share, the linked worlds of Love and Art. Linked, because love without art is merely the slaking of desire, and Art cannot be enjoyed unless it is approached with Love.