Science and religion are, of course, two different ways of looking at the universe; and it's the same universe with two different windows.

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.

He (God) reveals himself to the pure heart.

If as an adult I have scolded and then silenced the child within me, I contend that I am neither an adult nor a child. Rather, I am just plain ignorant.

You can accomplish great things by attempting great things.

With persistent prayer, the desired wish shall be fulfilled.

Two people that have the same wants are two people that should be friends.

All human wisdom works and has worries and grief as reward.

Self-awareness is value-free. It isn't scary. It doesn't imply that you will subject yourself to needless pain.

I love you much most beautiful darling more than anyone on the earth and I like you better than everything in the sky.

I know it sounds hard to believe, but habits laid down by our ancestors persist even after the conditions that created those habits have gone away.

Growing corn, which from a biological perspective had always been a process of capturing sunlight to turn into food, has in no small measure become a process of converting fossil fuels into food.