 Stephen Hawking's brief answers to the big questions on this earth right now. So you've got the smartest person maybe who's ever lived who has the cumulative knowledge of this whole world, all the philosophers. And nobody's ever heard or read this book that asks the big questions. Is there a God? Let it all begin. Is there intelligent life in the universe? Can we predict the future? Can we go back in time? Will we survive on earth? One thing that Stephen Hawking says in this book is his dad taught him, never be afraid to put forward a crazy hypothesis. No matter how many people oppose it.