Nothing in life is certain except death, taxes and the second law of thermodynamics.

All physical systems can be thought of as registering and processing information, and how one wishes to define computation will determine your view of what computation consists of.

I have not proved that the universe is, in fact, a digital computer and that it's capable of performing universal computation, but it's plausible that it is.

One of the things that I've been doing recently in my scientific research is to ask this question: Is the universe actually capable of performing things like digital computations?

Computers are famous for being able to do complicated things starting from simple programs.

Nothing in life is certain except death, taxes, and the second law of thermodynamics.

The history of the universe is, in effect, a huge and ongoing quantum computation. The universe is a quantum computer.

Thinking of the universe as a computer is controversial.

There are considerable advantages to using many degrees of freedom to store information, stability and controllability being perhaps the most important.

Of course, not everybody's willing to go out and do the experiments, but for the people who are willing to go out and do that, - if the experiments don't work, then it means it's not science.

In order to figure out how to make atoms compute, you have to learn how to speak their language and to understand how they process information under normal circumstances.

We must look deep into our soul daily.

The author likens crisis, and particularly war, to stop motion photography in its capacity to make changes plain that are ordinarily too gradual to be seen.

True friendship's laws are by this rule express'd, Welcome the coming, speed the parting guest.

It's even harder to stay at the top in sports than it is to get there.

Atheism, the absence of belief in gods, is a comparatively late phenomenon in history.

I've got a great dislike of reunions. It's a little like trying to go back and relive the best parts of your life, but you can't do it. Nothing is ever the same.

I feel sorry for confetti. Its useful life lasts about two seconds. And it can never be used again.

Man's need for art is absolutely primordial, as strong as, and perhaps stronger than, our need for bread. Without bread, we die of hunger, but without art we die of boredom.

We need fantasy to survive because reality is too difficult.

One of the greatest problems of our time is that many are schooled but few are educated.