Quotes from Stephen Hawking

Unless mankind redesigns itself by changing our DNA through altering our genetic makeup, computer-generated robots will take over our world.

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

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

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.

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

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

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.

Among physicists, I'm respected I hope.

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

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.

My work and my family are very important to me.

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