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

'The Devil in the Dark' impressed me because it presented the idea, unusual in science fiction then and now, that something weird, and even dangerous, need not be malevolent. That is a lesson that many of today's politicians have yet to learn.

The exploration of the planets is now closer to us in time than the exploration of Africa by Stanley and Livingstone.

The moment when one first meets a great work of art has an impact that can never again be recaptured.

Anything that is theoretically possible will be achieved in practice, no matter what the technical difficulties are, if it is desired greatly enough.

I would defend the liberty of consenting adult creationists to practice whatever intellectual perversions they like in the privacy of their own homes; but it is also necessary to protect the young and innocent.

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