The real question is whether all your pondering and analyses will convince you that life is worth living. That's what it all comes down to.

The idea that there could be other universes out there is really one that stretches the mind in a great way.

It's hard to teach passionately about something that you don't have a passion for.

Physicists are more like avant-garde composers, willing to bend traditional rules... Mathematicians are more like classical composers.

When I give this talk to a physics audience, I remove the quotes from my 'Theorem'.

Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades is, what happens to the information that an object contains when it falls into a black hole. Is it simply lost?

All you are is a bag of particles acting out the laws of physics. That to me is pretty clear.