A man who grows that much hair,' critics were fond of saying, 'must have a lot to hide.

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.

Think back to the oldest era your mind can fathom, back beyond everything we can remember, when gods were still men who had not yet lived the deeds that would deify them.

In general, I feel if you can't say it clearly you don't understand it yourself.

Save the trees! Return to the gold standard!

If I had my choice, every high school would be teaching financial literacy along with math and science.

The Wall will be standing in 50 and even in 100 years, if the reasons for it are not removed.

We've developed a very complex filing system for existence. We see things in terms of good or bad. We feel happiness, joy, pain, loss, guilt and remorse.

Wish I am free from barriers when I die, and Buddha will welcome me from far away.

Once the game begins, I play to that song in my head. I run to rhythm, and that allows my mind to be free.

Think twice; it's just another day for you and me in paradise.

While I gave up God a long time ago, I never shook the habit of wanting to believe in something. So I replaced my creed of everlasting life with life, liberty, and the pursuit of happiness.