The missing link in cosmology is the nature of dark matter and dark energy.

I am damned if I'm going to die before I have unraveled more of the universe

Children in backseats cause accidents. Accidents in backseats cause children.

Is god omnipotent ? If he is, can he create a rock so heavy he can't lift it ?

There is a real danger that computers will develop intelligence and take over.

A picture is worth a thousand words...and uses up a thousand times the memory.

God not only plays dice, he throws them in the corner where you can't see them.

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

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

Real science can be far stranger than science fiction and much more satisfying.

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

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

The lesson of the book is that the universe is governed by the laws of science.

Issuing an insurance policy against abduction by aliens seems a pretty safe bet.

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

The thing about smart people is that they seem like crazy people to dumb people.

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

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

The concern here is that financial services become a kind of tech-led Wild West.

I thought Eddie Redmayne portrayed me very well... At times I thought he was me.

We are very, very small, but we are profoundly capable of very, very big things.

Latest survey shows that 3 out of 4 people make up 75% of the world's population.

One is always a long way from solving a problem until one actually has the answer.

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

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

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

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

Scientific discovery may not be better than sex, but the satisfaction lasts longer.

If you are lucky enough to find love, remember it is there and don't throw it away.

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

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

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

I have visited Japan several times and have always been shown wonderful hospitality.

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

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

It is very important for young people keep their sense of wonder and keep asking why.

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

If you lined up all the cars in the world end to end, someone would try to pass them.

We are entering an increasingly dangerous period of our history. But I'm an optimist.

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

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

Although I cannot move, and I have to speak through a computer, in my mind, I am free.

The development of full artificial intelligence could spell the end of the human race.

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

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

When I get to heaven I'm gonna find the guy in charge of the weather and kick his rear.

I am discounting the reports of UFOs. Why would they appear only to cranks and weirdos?

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

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

If one is physically disabled, one cannot afford to be psychologically disabled as well.

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