Inspiring Quotes by Stephen Hawking
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I used to think information was destroyed in black hole. This was my biggest blunder, or at least my biggest blunder in science.

In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity. America will be left behind if it doesn't change policy.

I enjoy all forms of music -- pop, classical and opera.

Among physicists, I'm respected I hope.

Using e-mail, I can communicate with scientists all over the world.

Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead.

We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet.

You can't regulate every lab in the world.

It is not clear that intelligence has any long-term survival value.

Someone told me that each equation I included in the book would halve the sales.

A zero-gravity flight is a first step toward space travel.

I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.

I can't disguise myself with a wig and dark glasses -- the wheelchair gives me away.

We live in a bewildering world.

I have wondered about time all my life.

No one can resist the idea of a crippled genius.

Scientists have become the bearers of the torch of discovery in our quest for knowledge.

'The Simpsons' appearances were great fun. But I don't take them too seriously. I think 'The Simpsons' have treated my disability responsibly.

There is no heaven or afterlife for broken-down computers; that is a fairy story for people afraid of the dark.

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

I believe things cannot make themselves impossible.

Maybe I don't have the most common kind of motor neuron disease, which usually kills in two or three years.

What was God doing before the divine creation?

Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoveries.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

I think the human race doesn't have a future if it doesn't go into space.

I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming.

We should seek the greatest value of our action.

I don't think the human race will survive the next thousand years, unless we spread into space.

To confine our attention to terrestrial matters would be to limit the human spirit.

I think those who have a terminal illness and are in great pain should have the right to choose to end their own life, and those that help them should be free from prosecution.

Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global nuclear war, a genetically engineered virus or other dangers we have not yet thought of.

Many badly needed goals, like fusion and cancer cure, would be achieved much sooner if we invested more.

There is no physical law precluding particles from being organised in ways that perform even more advanced computations than the arrangements of particles in human brains.

We are all different. There is no such thing as a standard or run-of-the-mill human being, but we share the same human spirit.

There are too many accidents that can befall life on a single planet.

Although September 11 was horrible, it didn't threaten the survival of the human race, like nuclear weapons do.

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.

One can't predict the weather more than a few days in advance.

People who boast about their I.Q. are losers.

I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.

People won't have time for you if you are always angry or complaining.

Science is not only a disciple of reason but, also, one of romance and passion.

However difficult life may seem, there is always something you can do and succeed at.

I believe alien life is quite common in the universe, although intelligent life is less so. Some say it has yet to appear on planet Earth.

I don't want to write an autobiography because I would become public property with no privacy left.

I believe in universal health care. And I am not afraid to say so.

God not only plays dice, but also sometimes throws them where they cannot be seen.

Time can behave like another direction in space under extreme conditions.

Life would be tragic if it weren't funny.

We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet.

Philosophers have not kept up with modern developments in science. Particularly physics.