Stephen Hawking Quotes

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

I have found far greater enthusiasm for science in America than here in Britain. There is more enthu...

Yet if there really were a complete unified theory, it would also presumably determine our actions—s...

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

Time and space are finite in extent, but they don't have any boundary or edge. They would be like th...

The people who actually make the advances in theoretical physics don't think in these categories tha...

I swear to use my scientific knowledge for the good of Humanity. I promise never to harm any person ...

[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. ...

I believe the simplest explanation is, there is no God. No one created the universe and no one direc...

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

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

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

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

What place, then, for a creator?

It's time to commit to finding the answer, to search for life beyond Earth. Mankind has a deep need ...

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

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

I believe in the possible. I believe, small though we are, insignificant though we may be, we can re...

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

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

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

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

However bad life may seem, where there is life, there is hope.

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

Intelligence is the ability to adapt to change

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

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

Science predicts that many different kinds of universe will be spontaneously created out of nothing....

Computers double their performance every month.

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

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

What I have done is to show that it is possible for the way the universe began to be determined by t...

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

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

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

As Irving Good realised in 1965, machines with superhuman intelligence could repeatedly improve thei...

There should be no boundaries to human endeavor. (...) However bad life may seem (...) While there’s...

Stephen Hawking said that his quest is simply "trying to understand the mind of God".

Perhaps one day I will go into space.

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

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

Life would be tragic if it weren't funny.

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

My advice to any heartbroken young girl is to pay close attention to the study of theoretical physic...

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

t is generally recognized that women are better than men at languages, personal relations and multit...

Mankind's greatest achievements have come about by talking and its greatest failures by not talking....

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

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

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

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

Before 1915, space and time were thought of as a fixed arena in which events took place, but which w...

Before we understand science, it is natural to believe that God created the universe.

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

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

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

The message of this lecture is that black holes ain’t as black as they are painted. They are not the...

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

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

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

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

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

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

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

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

My expectations were reduced to zero when I was 21. Everything since then has been a b

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

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

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

I believe things cannot make themselves impossible.

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

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

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

I don't have much positive to say about motor neuron disease, but it taught me not to pity myself be...

I don't have much positive to say about motor neurone disease. But it taught me not to pity myself b...

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

I like physics, but I love cartoons.

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

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

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

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

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

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

In the past, there was active discrimination against women in science. That has now gone, and althou...

Women. They are a complete mystery.

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

Among physicists, I'm respected I hope.

Throughout history, people have studied pure science from a desire to understand the universe rather...

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

I believe there are no questions that science can't answer about a physical universe.

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

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

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

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

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

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

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

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

If we want to travel into the future, we just need to go fast. Really fast. And I think the only way...

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

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