Is there objective truth, or is everything ultimately subjective? Can we know with certainty? These questions are central in philosophy, and it's where we begin the series.  Dr. Emrys Westacott is a professor of philosophy at Alfred University. You can get his excellent introductory book Thinking Through Philosophy here: http://amzn.to/242NO1B Get full access to Steve Patterson's Substack at stevepatterson.substack.com/subscribe