What is the deepest nature of things? Our world is complex, filled with so much stuff. But down below, what’s most fundamental, what is ultimate reality? Is there anything nonphysical? Anything spiritual? Or only the physical world? Many feel certain of their belief, on each side of controversial question.

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John Andrew Leslie is a Canadian philosopher who focuses on explaining the world’s existence. Educated at Wadham College, Oxford, he earned a BA in Psychology and Philosophy, then an MLitt in Philosophy. He is University Professor Emeritus at the University of Guelph, and a Fellow of the Royal Society of Canada.

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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.