The world is just - it's wonderful when you look at all the detail. It's just amazing. Nothing is boring if you look at it carefully.

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.

Ignorance of one’s life mission leads to one’s life being used improperly

Now you're dead, and I'm buried.

It doesn't matter are you good with the dice, you die. It really doesn't matter what are you doing everyone dies one moment, one way or other way.

The cost you will pay to achieve the goal is worthwhile.

I think I feel automatically at home in Italy

Skepticism is the elegance of anxiety.

Surely where there's smoke there's fire? No, where there's so much smoke there's smoke.

We search for everything we believe we don't have, not knowing that everything we are looking for is already inside us. We are born with it.

Barron and Paul...rely on 'specialists' at the State and Defense Departments...Elsewhere in the media, similiar figures are bandied about, with equal credibility.

The secret is the answer to all that has been, all that is, and all that will ever be.