When the great innovation appears, it will almost certainly be in muddled, incomplete and confusing form. ... For any speculation which does not at first glance look crazy, there is no hope.

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.

Inevitable is not the same as immediate, Sieh--and love does not mandate forgiveness.

Christians, instead of arming themselves with swords, extend their hands in prayer.

Give more than you receive. That is the principle I tell all my students.

Los Angeles is just a more open place. The way L.A. functions is that people give you a forum. They say, Show us what you can do.

Obviously, following my convictions has come at a personal price, but they are important enough that I have been willing to endure the abuse.

It was eleven more than neccessary.

The main thing is, believe in yourself. Reach out and go after it.

The Indians long ago knew that music was going on permanently and that hearing it was like looking out a window at a landscape which didn't stop when one turned away.

Mobile phones are the only subject on which men boast about who's got the smallest.