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.

Never worry a bit in Life. Always be full of merriment.

The most important decision you will ever make is the decision you make about eternity.

Thoughtful people of different political philosophies can disagree, but in a very agreeable manner.

There's a great appetite for smart television. Every day I get up and there are interesting stories I want to do.

By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.

Give me snuff, whiskey, and Swedes, and I will build a railroad to hell.

It's the relationships between people that are more important than the sort of far away fantasies of what the good life is, the world of supermodels and Bud ads.

The poorest experience is rich enough for all the purposes of expressing thought

It takes all sorts of in and outdoor schooling To get adapted to my kind of fooling.

A theoretical system does not merely state facts which have been observed and that logically deducible relations to other facts which have also been observed.