Philosophers have not kept up with modern developments in science. Particularly physics. – Stephen Hawking

The universe is governed by science. But science tells us that we cant solve the equations, directly in the abstract. – Stephen Hawking

Time travel used to be thought of as just science fiction, but Einsteins general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out. – Stephen Hawking