A lot of prizes have been awarded for showing the universe is not as simple as we might have thought. Stephen Hawking More Quotes by Stephen Hawking More Quotes From Stephen Hawking Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global warming, nuclear war, a genetically engineered virus or other dangers. I think the human race has no future if it doesn't go into space. I therefore want to encourage public interest in space. Stephen Hawking race war thinking Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker. Stephen Hawking observation expanding forever The real challenge is to work out what aliens might actually be like. Stephen Hawking work-out real challenges But a machine that was powerful enough to accelerate particles to the grand unification energy would have to be as big as the Solar System - and would be unlikely to be funded in the present economic climate. Stephen Hawking climate powerful energy I want my books sold on airport bookstalls. Stephen Hawking success science book The Simpsons is the best thing on American television. Stephen Hawking american-television best-things television Hang in there, retirement is only thirty years away! Stephen Hawking thirty retirement years If a superior alien civilization sent us a message saying, 'We'll arrive in a few decades', would we just reply, 'OK, call us when you get here - we'll leave the lights on'? Probably not - but this is more or less what is happening with AI. Stephen Hawking light messages civilization In fact, if one considers the possible constants and laws that could have emerged, the odds against a universe that produced life like ours are immense. Stephen Hawking odds law facts Being confined to a wheelchair doesn't bother me as my mind is free to roam the universe, but it felt wonderful to be weightless. Stephen Hawking wheelchairs mind wonderful The moment you understand the whole Universe, is the moment you slightly begin to understand the way God's mind works Stephen Hawking moments mind way People think I'm a Simpsons character. Stephen Hawking character people thinking I don't believe that the ultimate theory will come by steady work along existing lines. We need something new. We can't predict what that will be or when we will find it because if we knew that, we would have found it already! Stephen Hawking lines believe needs What lies north of the North Pole? Stephen Hawking north-pole spacetime lying There is a real danger that computers will develop intelligence and take over. Stephen Hawking computer real danger The human race does not have a very good record of intelligent behavior. Stephen Hawking intelligent race doe Do you ever wonder how much deeper the ocean would be without sponges? Stephen Hawking ocean would-be wonder Children in backseats cause accidents. Accidents in backseats cause children. Stephen Hawking backseat causes children There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature. Stephen Hawking optimism law science Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory. Stephen Hawking hypothesis next matter