But he knew well enough that any man in the right circumstances could be dehumanised by panic.

The limits of the possible can only be defined by going beyond them into the impossible.

I don't believe in astrology; I'm a Sagittarius and we're skeptical.

The only way to define your limits is by going beyond them.

The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

The moon is the first milestone on the road to the stars.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

Any sufficiently advanced technology is indistinguishable from magic.

There is hopeful symbolism in the fact that flags do not wave in a vacuum.

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

Until we get rid of religion, we won't be able to conduct the search for God.

From a pound of iron, that costs little, a thousand watch-springs can be made, whose value becomes prodigious. The pound you have received from the Lord, --use it faithfully.

Our lives are businesses that are sometimes run by idiots.

Be still my soul.

Never regard study as a duty, but as the enviable opportunity to learn

You have an obligation to challenge your fans and your viewers.

Zen is the fastest method I know of, aside from mysticism, of dissolving the fixations people have about spiritual practice and themselves.

The only impregnable citadel of virtue is religion; for there is no bulwark of mere morality, which some temptation may not overtop or undermine, and destroy.

Before you can read, you know the difference between a story and reality. And, of course, by the time you're old enough to do any real damage with an Uzi, you've learned that difference.

The loud laugh that spoke the vacant mind.

Some of the things we said looked worse than we meant them