I thought Eddie Redmayne portrayed me very well... At times I thought he was me.

Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.

I do not believe in a personal God.

No one can resist the idea of a crippled genius.

In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.

When I was first diagnosed with ALS, I was given two years to live. Now 45 years later, I am doing pretty well.

There are too many accidents that can befall life on a single planet.