The West needs to relearn what the rest of the world has never forgotten - that there is nothing sinful in leisure as long as it does not degenerate into mere sloth.

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.

I believe love is like war: we only know how it starts, and nobody knows how it will end.

But, darling, I need you to know, you loving me will not heal me. Please realize, I already know that. And I do not expect it to.

I'm for economic independence.

All you need to do is write truly and not care about what the fate of it is.

You need your Inner Eye tested, if you ask me.

The world grows more enlightened. Knowledge is more equally diffused.

Writing's not always a pleasure to me, but if I'm not writing every other pleasure loses its savour.

The government of Israel doesn't like the kinds of things I say, which puts them into the same category as every other government in the world.

The book is true, and if evidence seems to condtradict it, it is the evidence that must be thrown out not the book.

When we’re passionate about something, we innovate, create, and continue on with our dreams.