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.

Isn't killing people in the name of God a pretty good definition of insanity?

Conservatism is the maintenance of conventions already in force.

I must stay alone and know that I am alone to contemplate and feel nature in full.

Let us expect that God is going to use us. Let us have courage and go forward, looking to God to do great things.

I wanted to do pretty much a purely boy story, yes. The girls are kind of the bad guys in 'Marble Season', although that wasn't my intention. It's also a world without adults.

For the journalist, anything probable is gospel truth.

It is the timber of poetry that wears most surely, and there is no timber that has not strong roots among the clay and worms.

[On home births:] In a house where there had been three people, there were now four, although no one had come in the door.

Perfection is boring. If a face doesn't have mistakes, it's nothing.

He who does not walk against the arrows cannot talk about the strength of his shield!

I don't write political plays in the sense that I'm writing essays that are kind of disguised as plays. I would really defy anyone to watch any of my plays and say 'Well, here's the point.'