Stephen Hawking: The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic but technological -- technologies that flowed directly from advances in basic science.
Stephen Hawking: All of my life, I have been fascinated by the big questions that face us, and have tried to find scientific answers to them. Perhaps that is why I have sold more books on physics than Madonna has on sex.
Stephen Hawking: Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?