Technology without morality is barbarous; morality without technology is impotent.

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.

There are many who don't wish to sleep for fear of nightmares. Sadly, there are many who don't wish to wake for the same fear.

You are always a gardener. What grow - and how it grows - is up to you.

It isn't an easy thing to give your loyalty to someone you don't know, especially when that person chooses to reveal nothing of himself.

Never open the door to a lesser evil, for other and greater ones invariably slink in after it.

And I look right into his eyes, right into him as far as I can see, because I want him to hear me, I want him to hear me with everything I mean and feel and say.

Memory is a strange Bell—Jubilee, and Knell.

Do not approach with anything even resembling assurance a restaurant that moves.

I like to say that the attacker always has the advantage.

I know I'm known for singing some of those high notes but that's really not what giving someone goose bumps is all about. It's about really trying to find what makes you unique...

The Bush boom is alive and well. It's finishing up its sixth splendid year with many more years to come.