That's the beautiful thing about science - that it's all about things we don't understand, not just the things we do understand.

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.

It's easy to hide behind a smile, that's why it is so important to search instead inside the eyes.

The art does not always mimic the artist. You never know the real person until you slide beneath their surface

I very much believe in rescuing animals, not buying them.

No one is waiting for me. In this story, I'm the girl no one is waiting for.

Politics is a life sentence. It's an obsessive, all-demanding, utterly fascinating, totally committing profession - stimulating, satisfying, stretching.

In the managerial organization, the top people sit in judgment; in the innovative organization it is their job to encourage ideas, no matter how unripe or crude.

We must guard against the overreaching hand of big government trying to take away our freedom. And we must always protect the environment in a manner consistent with our values

When you see your male counterparts living a completely different lifestyle, I think it would be quite depressing! So no, it's not for me.

I've always been a huge reggae fan.

The best came from my martial arts teacher, who also taught Elvis. He said, Your ego will get you killed.