Somewhere in me is a curiosity sensor. I want to know what's over the next hill. You know, people can live longer without food than without information. Without information, you'd go crazy.

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 am not good at noticing when I'm happy, except in retrospect.

Power is not revealed by striking hard or often, but by striking true.

If you know that this life is all that you have, wouldn't you make the most of it?

Israel will not discuss a peace involving the concession of any piece of territory. The neighboring states do not deserve an inch of Israel's land. . . . We are ready for exchange for peace.

It's sad when you think about it, but also kind of beautiful.

I was so devastated by my second divorce that I had a nervous breakdown.

I say personally because I am 84 years old, and [Barack Obama's] is the first administration that has scared me in terms of my lifespan.

Part of being a writer is knowing when what you write is really bad.

Being a journalist got me to meet with children who had witnessed all their beliefs, all their faith in the world collapse.

Benchmarks are targets that have to be fulfilled. They cannot be fulfilled in an indefinite period of time, so there are timetables in benchmarks.