Friends and Fans — I have retired from my work as a public intellectual, so Philosophy in Action is on indefinite hiatus. Please check out the voluminous archive of free podcasts, as well as the premium audio content still available for sale. My two books — Responsibility & Luck: A Defense of Praise and Blame and Explore Atlas Shrugged — are available for purchase too. Best wishes! — Diana Brickell (Hsieh)


  • Q&A: Achieving Practical Certainty: 18 Aug 2013, Question 1
  • Question: What must I do to reach certainty about a course of action? Suppose that I'm being careful in my thinking about a practical matter – perhaps about how to solve a problem at work, whether to move to a new city, whether to marry my girlfriend, or whether to cut contact with a problem friend. When can I say that I'm certain – or at least justified in acting on my conclusions? Given my personality type (INTP), I tend to leave questions open for far too long, when really, at some point, I need to close them. Are there any general guidelines or principles around figuring out what that point of closure should be? Even then, when should I revisit my conclusions, if ever?

    Tags: Aristotle, Deliberation, Epistemology, Ethics, Personality, Planning, Proof, Psycho-Epistemology, Rationality, Values

  • Interview: Fran Santagata on Preparing for Wildfires and Evacuations: 2 Jul 2013
  • Summary: Colorado is experiencing yet another very destructive – even deadly – fire season. What can people do to prepare for that? How can they mitigate the risk to their property? How can they make sure that people and animals are evacuated safely?

    Tags: Emergencies, Government, Planning, Responsibility, Values

  • Q&A: Optimal Planning: 29 Apr 2012, Question 3
  • Question: How much advance planning is optimal? Some people like to plan everything well in advance, while others prefer to allow events to unfold and make decisions on the fly. Is one approach better than the other? How much does it depend on the circumstances? How can people with different preferences coordinate comfortably?

    Tags: Ethics, Personality, Planning, Psychology

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