What was more, they had taken the first step toward genuine friendship. They had exchanged vulnerabilities.

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]

Few artists thrive in solitude and nothing is more stimulating than the conflict of minds with similar interests.

After their encounter on the approach to Jupiter, there would aways be a secret bond between them---not of love, but of tenderness, which is often more enduring.

There were some things that only time could cure. Evil men could be destroyed, but nothing could be done with good men who were deluded.

Astronomy, as nothing else can do, teaches men humility.

It may be that our role on this planet is not to worship God - but to create him.