Death focuses the mind on the things that really matter: why are we here, and what should we do?

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.

He cried like a jockey who'd just lost the Kentucky Derby by a few nostril hairs.

It is in vain to hope to guard against events too mighty for human foresight or precaution, and it would be idle to object to a government because it could not perform impossibilities.

You can't expect anything to be handed to you. And I learned that.

What I've learned is there's a scientifically proven phenomenon that's attached to gratitude, and that if you consciously take note of what is good in your life, quantifiable benefits happen.

To be sorry and glad together is to be perceptive to the richness of life.

I love to cook and entertain.

I feel that when we really love and accept and approve of ourselves exactly as we are, then everything in life works.

Terrorism is partly linked to people who have no jobs in Pakistan.

To give requires good sense.

I like Toronto; the people are really chill.