We must develop as quickly as possible technologies that make possible a direct connection between brain and computer, so that artificial brains contribute to human intelligence rather than opposing it.

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

I think the discovery of supersymmetric partners for the known particles would revolutionize our understanding of the universe.

Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead.

Good grief, we're getting offended by everything these days! People can't say anything without offending somebody.

I think that after divorce, I took my life a little bit more seriously, because you have to face endings in a way that you maybe never - death in one thing, but an ending in your own chapter. It's so clearly placed there for you with divorce.

The belief that a person can and should only feel grief over one sad event at a time is a truly disturbing estimate of our emotional capacity.

To touch a sore is to renew one's grief.