Sam Harris speaks with David Edmonds about the life and philosophy of Derek Parfit. They discuss Parfit’s work on identity, time bias, the “non-identity problem,” population ethics and “the Repugnant Conclusion,” the ethical importance of future people, Effective Altruism, moral truth, and other topics. If the Making Sense podcast logo in your player is BLACK, you can SUBSCRIBE to gain access to all full-length episodes at samharris.org/subscribe.   Learning how to train your mind is the single greatest investment you can make in life. That’s why Sam Harris created the Waking Up app. From rational mindfulness practice to lessons on some of life’s most important topics, join Sam as he demystifies the practice of meditation and explores the theory behind it.  

James Klagge, an expert on Wittgenstein, discusses his affluent upbringing, transition to philosophy, and influences like Russell in the Tractatus. They delve into how Wittgenstein's war experiences shaped his philosophical themes and contrast with the Vienna Circle's views on ethics and religion.

Elizabeth Harman, a philosopher known for her work on moral reasoning, discusses the concept of moral heroes, those who surpass obligatory actions. She explores the complexities of heroism versus moral obligations and the challenges of personal sacrifice. David Edmonds joins the conversation to navigate the ethics of charitable acts and the moral responsibilities we hold, particularly regarding global needs. They also touch on controversial topics like moral vegetarianism, emphasizing the importance of understanding diverse moral perspectives.

David Edmonds discusses the life and philosophy of Derek Parfit, focusing on his views on personal identity, selflessness, the pressures behind 'Reasons and Persons', and the intersection of Parfit's photography and philosophy.

David Edmonds, British philosopher and radio feature maker at the BBC World Service, discusses the controversial legacy of philosopher Derek Parfit. Topics include Parfit's influence on obligations to future people, his unusual relationship with his body, the consequences of taking action on climate change, the Non-identity Problem and moral dilemmas, introduction to Parfit's work, and a famous thought experiment in moral philosophy.