In accordance with the terms of the Clarke-Asimov treaty, the second-best science writer dedicates this book to the second-best science-fiction writer. [dedication to Isaac Asimov from Arthur C. Clarke in his book Report on Planet Three]

Attempting to define science fiction is an undertaking almost as difficult, though not so popular, as trying to define pornography... In both pornography and SF, the problem lies in knowing exactly where to draw the line.

The future is not to be forecast, but created.

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.

I don't believe in God but I'm very interested in her.

My objection to organized religion is the premature conclusion to ultimate truth that it represents.

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