When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.

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.

Good wins in the end because evil is a self-destructive, cannibalistic force that Inevitably engorges upon itself.

America is a country ready to be taken, in fact, longing to be taken by political leaders ready to restore democracy and trust to the political process.

I laugh when I see people in pain. Sometimes I think it is a defense mechanism from childhood, where you're in so much pain you have to laugh. It is a survival mechanism.

For all mankind that unstained scroll unfurled, Where God might write anew the story of the World.

The brave unfortunate are our best acquaintance.

It is difficult finding intelligence that is actionable in a lot of these places, but we have to keep trying.

I worked for half a cent a word. I'm not a fast writer to begin with, so for the first few years I had do other things.

One of the secrets to life is saying yes to change and allowing things to transition, but I also think you have to mark the time and give thanks for all that it gave you.

I have a scar on my right arm from my ex-husband. He was cooking and he had a hot pot and he turned around and went right into my arm.

Detraction's a bold monster, and fears not To wound the fame of princes, if it find But any blemish in their lives to work on.