To give us room to explore the varieties of mind and body into which our genome can evolve, one planet is not enough.

You ask: what is the meaning or purpose of life? I can only answer with another question: do you think we are wise enough to read God's mind?

The greatest unsolved mysteries are the mysteries of our existence as conscious beings in a small corner of a vast universe.

If you want to have a program for moving out into the universe, you have to think in centuries not in decades.

A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering.

Technology must be guided and driven by ethics if it is to do more than provide new toys for the rich.

The idea that global warming is the most important problem facing the world is total nonsense and is doing a lot of harm.

Unfortunately the global warming hysteria, as I see it, is driven by politics more than by science.

In the end it is how you fight, as much as why you fight, that makes your cause good or bad.

So long as you have courage and a sense of humor, it is never too late to start life afresh.

Technology is a gift of God. After the gift of life it is perhaps the greatest of God's gifts. It is the mother of civilizations, of arts and of sciences.

Forever Going Forward, Never Looking Back, Always, Against The Circle

Doctors are allowed to practice medicine. What are you called when you are not practicing any more and finally know what your doing?

Action springs not from thought but from a readiness for responsibility.

I'm waking up to say I tried, instead of waking up to another TV guide.

The highest and best work of imagination is the marvelous transformation that it works in character. Imagine that you are one with the principal of good, and you will become truly good.

The vocation of pastor has been replaced by the strategies of religious entrepreneurs with business plans.

All you have to do is to look like crap on film and everyone thinks you're a brilliant actress. Actually, all you've done is look like crap.

Politics matters. Ideas matter. Democracy matters, because all of us need to be able to make a difference.

I'd see child actors and I'd get so jealous, because they're just completely wide open.

I've spent twenty-eight years doing what everyone around me expected me to do...being what everyone around me has expected me to be. And it's horrid to be someone else's vision of yourself.