Richard Dawkins shares what prompted him to write his bestselling book The God Delusion, which has sold over 3 million copies since its publication in 2006. Watch the full Big Conversation between Richard Dawkins & Francis Collins: https://www.youtube.com/watch?v=SQ3EU58AzFs   For updates, bonus content and more conversations sign up at http://www.thebigconversation.show/ The Big Conversation is a video series from Unbelievable? featuring world-classthinkers across the religious and non-religious community. Exploring science, faith, philosophy and what it means to be human. The Big Conversation isproduced by Premier in partnership with John Templeton Foundation. • More shows, free eBook & newsletter: https://premierunbelievable.com/ • For live events: http://www.unbelievable.live/ • For online learning: https://www.premierunbelievable.com/training-and-events • Support us in the USA: http://www.premierinsight.org/unbelievableshow • Support us in the rest of the world: https://www.premierunbelievable.com/donate