You can't have it both ways. You can't have both free will and a benevolent higher power who protects you from yourself.

Reading computer manuals without the hardware is as frustrating as reading sex manuals without the software.

I've been saying for a long time that I'm hoping to find intelligent life in Washington.

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.

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.

Perhaps no other year before or since 1984 has been awaited with such eager anticipation.

Many, and some of the most pressing, of our terrestrial problems can be solved only by going into space. Long before it was a vanishing commodity, the wilderness as the preservation of the world was proclaimed by Thoreau. In the new wilderness of the Solar System may lie the future preservation of mankind.