Quotes By Stephen Hawking

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

If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.

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

The media need superheroes in science just as in every sphere of life, but there is really a continuous range of abilities with no clear dividing line.

There is a real danger that computers will develop intelligence and take over. We urgently need to develop direct connections to the brain so that computers can add to human intelligence rather than be in opposition.

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

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

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

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.

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

Women. They are a complete mystery.

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

Evolution has ensured that our brains just aren't equipped to visualise 11 dimensions directly. However, from a purely mathematical point of view it's just as easy to think in 11 dimensions, as it is to think in three or four.

I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image.

Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.

My work and my family are very important to me.

The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to minus 271.3*C - not much good for defrosting the pizza, let alone cooking it.

With genetic engineering, we will be able to increase the complexity of our DNA, and improve the human race. But it will be a slow process, because one will have to wait about 18 years to see the effect of changes to the genetic code.

Nothing cannot exist forever.

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

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

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

Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.

Intelligence is the ability to adapt to change.

We should seek the greatest value of our action.

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

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

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

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

The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?