Science is the only religion of mankind.

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.

Trust yourself, and remember you are a miracle.

So here I am, upside down in a woman.

My body really, really wanted to reproduce when I was 15. It took a lot of civilization, socialization, willpower and some emulsion polymerization technology for me not to reproduce at 15.

All political lives, unless they are cut off in midstream at a happy juncture, end in failure, because that is the nature of politics and of human affairs.

The European model is, first, a social and economic system founded on the role of the market, for no computer in the world can process information better than the market.

I realized I needed to work with other people instead of doing everything myself.

Look in the mirror. You must first love yourself before you can receive true love from someone else.

McVeigh's lawyer got him the death penalty, which, quite frankly, I could have done.

There's a huge piece of humanity that's missing - a huge piece - and our [American] culture is infant, comparatively speaking, to these folks who have been around for thousands of years.

Friends and family will tell you why your ideas won't work. Most are left-brained employees and specialists and NOT entrepreneurs.