Stephen Hawking quote: "Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill."

I was never top of the class at school, but my classmates must have seen potential in me, because my...
STEPHEN HAWKING

We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inward...
STEPHEN HAWKING

Only black holes of very low mass would emit a significant amount of radiation.
STEPHEN HAWKING

I used to think information was destroyed in black hole. This was my biggest blunder, or at least my...
STEPHEN HAWKING

So long as the universe had a beginning, we could suppose it had a creator. But if the universe is r...
STEPHEN HAWKING

All the evidence shows that God was actually quite a gambler, and the universe is a great casino, wh...
STEPHEN HAWKING

Even if there is only one possible unified theory, it is just a set of rules and equations. What is ...
STEPHEN HAWKING

The role played by time at the beginning of the universe is, I believe, the final key to removing th...
STEPHEN HAWKING

I think computer viruses should count as life ... I think it says something about human nature that ...
STEPHEN HAWKING

One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives...
STEPHEN HAWKING

The downside of my celebrity is that I cannot go anywhere in the world without being recognized. It ...
STEPHEN HAWKING

Remember to look up at the stars and not down at your feet. Try to make sense of what you see and wo...
STEPHEN HAWKING

One of the basic rules of the universe is that nothing is perfect. Perfection simply doesn't exist.....
STEPHEN HAWKING

It matters if you just don't give up.
STEPHEN HAWKING

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

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

The usual approach of science of constructing a mathematical model cannot answer the questions of wh...
STEPHEN HAWKING

All the evidence shows that God was actually quite a gambler, and the universe is a great casino, wh...
STEPHEN HAWKING

I think computer viruses should count as life. I think it says something about human nature that the...
STEPHEN HAWKING

There could be whole antiworlds and antipeople made out of antiparticles. However, if you ever meet ...
STEPHEN HAWKING

I have hardly ever known a mathematician who was able to reason.
STEPHEN HAWKING

As scientists, we step on the shoulders of science, building on the work that has come before us - a...
STEPHEN HAWKING

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can unders...
STEPHEN HAWKING

All my adult life people have been helping me.
STEPHEN HAWKING

Time travel used to be thought of as just science fiction, but Einstein's general theory of rela...
STEPHEN HAWKING

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

Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor.
STEPHEN HAWKING

We only have to look at ourselves to see how intelligent life might develop into something we wouldn...
STEPHEN HAWKING

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

Science is beautiful when it makes simple explanations of phenomena or connections between different...
STEPHEN HAWKING

Intelligence is the ability to adapt to change.
STEPHEN HAWKING

In less than a hundred years, we have found a new way to think of ourselves. From sitting at the cen...
STEPHEN HAWKING

I believe things cannot make themselves impossible.
STEPHEN HAWKING

No one undertakes research in physics with the intention of winning a prize. It is the joy of discov...
STEPHEN HAWKING

I think computer viruses should count as life. I think it says something about human nature that the...
STEPHEN HAWKING

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

There is no heaven or afterlife for broken-down computers; that is a fairy story for people afraid o...
STEPHEN HAWKING

I regard the brain as a computer which will stop working when its components fail. There is no heave...
STEPHEN HAWKING

My advice to other disabled people would be, concentrate on things your disability doesn't preve...
STEPHEN HAWKING

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about ...
STEPHEN HAWKING

With genetic engineering, we will be able to increase the complexity of our DNA, and improve the hum...
STEPHEN HAWKING

I can't say that my disability has helped my work, but it has allowed me to concentrate on resea...
STEPHEN HAWKING

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

In my school, the brightest boys did math and physics, the less bright did physics and chemistry, an...
STEPHEN HAWKING

To my mathematical brain, the numbers alone make thinking about aliens perfectly rational. The real ...
STEPHEN HAWKING

If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't t...
STEPHEN HAWKING

Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoverie...
STEPHEN HAWKING

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

My three children have brought me great joy.
STEPHEN HAWKING

I have a full and satisfying life. My work and my family are very important to me.
STEPHEN HAWKING

It is extremely important to me to write for children.
STEPHEN HAWKING

Most people don't have time to master the very mathematical details of theoretical physics.
STEPHEN HAWKING

The fastest manned vehicle in history was Apollo 10. It reached 25,000 mph.
STEPHEN HAWKING

I don't care much for equations myself. This is partly because it is difficult for me to write t...
STEPHEN HAWKING

I first had the idea of writing a popular book about the universe in 1982. My intention was partly t...
STEPHEN HAWKING

There is nothing bigger or older than the universe.
STEPHEN HAWKING

I want my books sold on airport bookstalls.
STEPHEN HAWKING

If you believe in science, like I do, you believe that there are certain laws that are always obeyed...
STEPHEN HAWKING

The Paralympic Games is about transforming our perception of the world.
STEPHEN HAWKING

Up until the 1920s, everyone thought the universe was essentially static and unchanging in time.
STEPHEN HAWKING

I have wanted to fly into space for many years, but never imagined it would really be feasible.
STEPHEN HAWKING

Wagner manages to convey emotion with music better than anyone, before or since.
STEPHEN HAWKING

I am in touch with a company that hopes to replicate my voice. However, they are not replicating my ...
STEPHEN HAWKING

The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two ...
STEPHEN HAWKING

M-theory is the unified theory Einstein was hoping to find.
STEPHEN HAWKING

It now appears that the way the universe began can indeed be determined, using imaginary time.
STEPHEN HAWKING

My wife and I love each other very much.
STEPHEN HAWKING

As a child, I wanted to know how things worked and to control them. With a friend, I built a number ...
STEPHEN HAWKING

Perhaps one day I will go into space.
STEPHEN HAWKING

Cosmology is a rapidly advancing field.
STEPHEN HAWKING

I wouldn't be here today if it were not for the NHS. I have received a large amount of high-qual...
STEPHEN HAWKING

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

Our minds work in real time, which begins at the Big Bang and will end, if there is a Big Crunch - w...
STEPHEN HAWKING

Science can lift people out of poverty and cure disease. That, in turn, will reduce civil unrest.
STEPHEN HAWKING

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

My discovery that black holes emit radiation raised serious problems of consistency with the rest of...
STEPHEN HAWKING

I want to know why the universe exists, why there is something greater than nothing.
STEPHEN HAWKING

Nothing cannot exist forever.
STEPHEN HAWKING

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

God not only plays dice, He also sometimes throws the dice where they cannot be seen.
STEPHEN HAWKING

What was God doing before the divine creation?
STEPHEN HAWKING

I think the brain is essentially a computer and consciousness is like a computer program. It will ce...
STEPHEN HAWKING

There's no way to remove the observer - us - from our perceptions of the world.
STEPHEN HAWKING

Exploration by real people inspires us.
STEPHEN HAWKING

We must develop as quickly as possible technologies that make possible a direct connection between b...
STEPHEN HAWKING

Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of ...
STEPHEN HAWKING

Success in creating AI would be the biggest event in human history. Unfortunately, it might also be ...
STEPHEN HAWKING

God may exist, but science can explain the universe without the need for a creator.
STEPHEN HAWKING

I believe everyone should have a broad picture of how the universe operates and our place in it. It ...
STEPHEN HAWKING

There is a real danger that computers will develop intelligence and take over. We urgently need to d...
STEPHEN HAWKING

The radiation left over from the Big Bang is the same as that in your microwave oven but very much l...
STEPHEN HAWKING

Although September 11 was horrible, it didn't threaten the survival of the human race, like nucl...
STEPHEN HAWKING

If I had to choose a superhero to be, I would pick Superman. He's everything that I'm not.
STEPHEN HAWKING

Cambridge is one of the best universities in the world, especially in my field.
STEPHEN HAWKING

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

If you understand the universe, you control it, in a way.
STEPHEN HAWKING

Theoretical physics is one of the few fields in which being disabled is no handicap - it is all in t...
STEPHEN HAWKING

No one can resist the idea of a crippled genius.
STEPHEN HAWKING

I'm never any good in the morning. It is only after four in the afternoon that I get going.
STEPHEN HAWKING

There are no black holes in the sense of regimes from which light can't escape to infinity.
STEPHEN HAWKING

Although almost every theoretical physicist agrees with my prediction that a black hole should glow ...
STEPHEN HAWKING

We lived in a tall, narrow Victorian house, which my parents had bought very cheaply during the war,...
STEPHEN HAWKING

I have so much that I want to do. I hate wasting time.
STEPHEN HAWKING

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

When we understand string theory, we will know how the universe began. It won't have much effect...
STEPHEN HAWKING

I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.
STEPHEN HAWKING

We should seek the greatest value of our action.
STEPHEN HAWKING

It is no good getting furious if you get stuck. What I do is keep thinking about the problem but wor...
STEPHEN HAWKING

There could be shadow galaxies, shadow stars, and even shadow people.
STEPHEN HAWKING

If the rate of expansion one second after the Big Bang had been smaller by even one part in a hundre...
STEPHEN HAWKING

I am just a child who has never grown up. I still keep asking these 'how' and 'why' ...
STEPHEN HAWKING

I would like nuclear fusion to become a practical power source. It would provide an inexhaustible su...
STEPHEN HAWKING

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

Not only does God play dice, but... he sometimes throws them where they cannot be seen.
STEPHEN HAWKING

There is no unique picture of reality.
STEPHEN HAWKING

Work gives you meaning and purpose and life is empty without it.
STEPHEN HAWKING

Life would be tragic if it weren't funny.
STEPHEN HAWKING

We are all now connected by the Internet, like neurons in a giant brain.
STEPHEN HAWKING

Many people find the universe confusing - it's not.
STEPHEN HAWKING

There are plenty of dead scientists I admire, but I can't think of any living ones. This is prob...
STEPHEN HAWKING

We think we have solved the mystery of creation. Maybe we should patent the universe and charge ever...
STEPHEN HAWKING

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

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

Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global...
STEPHEN HAWKING

I think we have a good chance of surviving long enough to colonize the solar system.
STEPHEN HAWKING

It is generally recognised that women are better than men at languages, personal relations and multi...
STEPHEN HAWKING

Because there is a law such as gravity, the universe can and will create itself from nothing.
STEPHEN HAWKING

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

I believe the universe is governed by the laws of science. The laws may have been decreed by God, bu...
STEPHEN HAWKING

Women. They are a complete mystery.
STEPHEN HAWKING

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

I entered the health care debate in response to a statement in the United States press in summer 200...
STEPHEN HAWKING

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimat...
STEPHEN HAWKING

Life would be tragic if it weren't funny.
STEPHEN HAWKING

My expectations were reduced to zero when I was 21. Everything since then has been a bonus."
STEPHEN HAWKING

For years, my early work with Roger Penrose seemed to be a disaster for science. It showed that the ...
STEPHEN HAWKING

While physics and mathematics may tell us how the universe began, they are not much use in predictin...
STEPHEN HAWKING

I'm an atheist.
STEPHEN HAWKING

Obviously, because of my disability, I need assistance. But I have always tried to overcome the limi...
STEPHEN HAWKING

I was born on January 8, 1942, exactly three hundred years after the death of Galileo. I estimate, h...
STEPHEN HAWKING

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

In my opinion, there is no aspect of reality beyond the reach of the human mind.
STEPHEN HAWKING

There is no physical law precluding particles from being organised in ways that perform even more ad...
STEPHEN HAWKING

I had not expected 'A Brief History of Time' to be a best seller. It was my first popular bo...
STEPHEN HAWKING

My first popular book, 'A Brief History of Time,' aroused a great deal of interest, but many...
STEPHEN HAWKING

Stem cell research is the key to developing cures for degenerative conditions like Parkinson's a...
STEPHEN HAWKING

'The Simpsons' appearances were great fun. But I don't take them too seriously. I think ...
STEPHEN HAWKING

I believe alien life is quite common in the universe, although intelligent life is less so. Some say...
STEPHEN HAWKING

When one's expectations are reduced to zero, one really appreciates everything one does have.
STEPHEN HAWKING

I had a bet with Gordon Kane of Michigan University that the Higgs particle wouldn't be found.
STEPHEN HAWKING

A few years ago, the city council of Monza, Italy, barred pet owners from keeping goldfish in curved...
STEPHEN HAWKING

We live in a bewildering world.
STEPHEN HAWKING

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

Science is increasingly answering questions that used to be the province of religion.
STEPHEN HAWKING

Imaginary time is a new dimension, at right angles to ordinary, real time.
STEPHEN HAWKING

The Planck satellite may detect the imprint of the gravitational waves predicted by inflation. This ...
STEPHEN HAWKING

The whole history of science has been the gradual realization that events do not happen in an arbitr...
STEPHEN HAWKING

In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity....
STEPHEN HAWKING

I have noticed even people who claim everything is predestined, and that we can do nothing to change...
STEPHEN HAWKING

This required abandoning the idea that there is a universal quantity called time that all clocks mea...
STEPHEN HAWKING

It is a waste of time to be angry about my disability. One has to get on with life and I haven't don...
STEPHEN HAWKING

If human life were long enough to find the ultimate theory, everything would have been solved by pre...
STEPHEN HAWKING

I think that it's important for scientists to explain their work, particularly in cosmology. This no...
STEPHEN HAWKING

My publisher told me that the number of readers of this book will be inversely proportional to the n...
STEPHEN HAWKING

We shouldn't be surprised that conditions in the universe are suitable for life, but this is not evi...
STEPHEN HAWKING

We could call order by the name of God, but it would be an impersonal God. There's not much personal...
STEPHEN HAWKING

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
STEPHEN HAWKING

Not only does God play dice with the Universe - he sometimes casts them where they can't be seen.
STEPHEN HAWKING

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exi...
STEPHEN HAWKING

For millions of years, mankind lived just like the animals. Then something happened which unleashed ...
STEPHEN HAWKING

Equations are just the boring part of mathematics. I attempt to see things in terms of geometry.
STEPHEN HAWKING

When one's expectations are reduced to zero, one really appreciates everything one does have
STEPHEN HAWKING

I have hardly ever known a mathematician who was able to reason
STEPHEN HAWKING

It's a pity that nobody has found an exploding black hole. If they had, I would have won a Nobel...
STEPHEN HAWKING

Some forms of motor neuron disease are genetically linked, but I have no indication that my kind is....
STEPHEN HAWKING

The universe is governed by science. But science tells us that we can't solve the equations, dir...
STEPHEN HAWKING

The cyclic universe theory predicts no gravitational waves from the early universe.
STEPHEN HAWKING

If I had a time machine, I'd visit Marilyn Monroe in her prime or drop in on Galileo as he turne...
STEPHEN HAWKING

I was not a good student. I did not spend much time at college; I was too busy enjoying myself.
STEPHEN HAWKING

It was Einstein's dream to discover the grand design of the universe, a single theory that expla...
STEPHEN HAWKING

God is the name people give to the reason we are here. But I think that reason is the laws of physic...
STEPHEN HAWKING

If time travel is possible, where are the tourists from the future?
STEPHEN HAWKING

Observations indicate that the universe is expanding at an ever increasing rate. It will expand fore...
STEPHEN HAWKING

My ideal role would be a baddie in a James Bond film. I think the wheelchair and the computer voice ...
STEPHEN HAWKING

Before I lost my voice, it was slurred, so only those close to me could understand, but with the com...
STEPHEN HAWKING

Quiet people have the loudest minds.
STEPHEN HAWKING

I have noticed that even those who assert that everything is predestined and that we can change noth...
STEPHEN HAWKING

When people ask me if a god created the universe, I tell them that the question itself makes no sens...
STEPHEN HAWKING

There is a fundamental difference between religion, which is based on authority, and science, which ...
STEPHEN HAWKING

For millions of years, mankind lived just like the animals. Then something happened which unleashed ...
STEPHEN HAWKING

Even if there is only one possible unified theory, it is just a set of rules and equations. What is ...
STEPHEN HAWKING

So Einstein was wrong when he said, "God does not play dice." Consideration of black holes suggests,...
STEPHEN HAWKING

We got through all of Genesis and part of Exodus before I left. One of the main things I was taught ...
STEPHEN HAWKING

It matters if you just don't give up
STEPHEN HAWKING

In such a massive place as the cosmos we only have to look at ourselves for prove that extremely unl...
STEPHEN HAWKING

I put a lot of effort into writing A Briefer History at a time when I was critically ill with pneumo...
STEPHEN HAWKING

Most sets of values would give rise to universes that, although they might be very beautiful, would ...
STEPHEN HAWKING

When asked, 'What did God do before he created the universe?' St. Augustine didn´t reply, 'he was p...
STEPHEN HAWKING

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

If we do discover a complete theory, it should be in time understandable in broad principle by every...
STEPHEN HAWKING

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.

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Stephen Hawking

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.

Stephen Hawking

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