There's a sick joke that the reason we have not been contacted by an alien civilization is that civilizations tend to destroy themselves when they reach our stage. But I have sufficient faith in the good sense of public to believe that we might prove this wrong. Stephen Hawking
A proton or neutron is made up of three quarks, one of each color. A proton contains two up quarks and one down quark; a neutron contains two down and one up. Stephen Hawking
But the idea that God might want to change his mind is an example of the fallacy, pointed out by St. Augustine, of imagining God as a being existing in time: time is a property only of the universe that God created. Stephen Hawking
My goal is simple. It is complete understanding of the universe, why it as it is and why it exists as all. Stephen Hawking
Why does the universe go to all the bother of existing? Is the unified theory so compelling that it brings about its own existence? Or does it need a creator, and, if so, does he have any other effect on the universe? And who created him? Stephen Hawking
The past, like the future, is indefinite and exists only as a spectrum of possibilities. Stephen Hawking