If all that exists—everything imaginable, physical and nonphysical—is 'something'. Why is there 'something' rather than 'nothing'? Wouldn't 'nothing' be simpler than any sort of 'something'? It's a haunting wonderment. It's the biggest possible question. Why is there anything at all? There must be an answer. But who can know it?

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Paul Davies is a theoretical physicist, cosmologist and astrobiologist.

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Closer to Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.