I think it quite likely that we are the only civilization within several hundred light years; otherwise we would have heard radio waves.Stephen Hawking
My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.Stephen Hawking
We think that life develops spontaneously on Earth, so it must be possible for life to develop on suitable planets elsewhere in the universe. But we don't know the probability that a planet develops life.Stephen Hawking
If I had a time machine, I'd visit Marilyn Monroe in her prime or drop in on Galileo as he turned his telescope to the heavens.Stephen Hawking
I think the discovery of supersymmetric partners for the known particles would revolutionize our understanding of the universe.Stephen Hawking