If you go on with this nuclear arms race, all you are going to do is make the rubble bounce.Winston Churchill
Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global nuclear war, a genetically engineered virus or other dangers we have not yet thought of.Stephen Hawking
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.Stephen Hawking
Success in creating AI would be the biggest event in human history. Unfortunately, it might also be the last, unless we learn how to avoid the risks.Stephen Hawking
We lived in a tall, narrow Victorian house, which my parents had bought very cheaply during the war, when everyone thought London was going to be bombed flat. In fact, a V-2 rocket landed a few houses away from ours. I was away with my mother and sister at the time, but my father was in the house.Stephen Hawking
Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'Stephen Hawking
There is no heaven or afterlife for broken-down computers; that is a fairy story for people afraid of the dark.Stephen Hawking
If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans.Stephen Hawking
Although September 11 was horrible, it didn't threaten the survival of the human race, like nuclear weapons do.Stephen Hawking
I don't want to write an autobiography because I would become public property with no privacy left.Stephen Hawking