#448 - The Philosophy of Good and Evil - Making Sense with Sam Harris Recap

Podcast: Making Sense with Sam Harris

Published: 2025-12-08

Duration: 25 min

Guests: David Edmonds

Summary

Sam Harris and David Edmonds discuss the intricacies of moral philosophy through thought experiments like the trolley problem and Peter Singer's shallow pond scenario, analyzing how these highlight our ethical intuitions and the challenges they pose to consequentialism.

What Happened

Sam Harris is joined by David Edmonds to explore the complexities of moral philosophy through the lens of thought experiments. Edmonds introduces his new book, 'Death in a Shallow Pond,' which not only profiles philosopher Peter Singer but also delves into the history of moral philosophy in the analytic tradition. The discussion begins with an examination of thought experiments, highlighting their role in dissecting moral intuitions and the controversy surrounding their artificial nature. They delve into the famous trolley problem, exploring why people's intuitions differ between flipping a switch to save five lives at the cost of one and pushing a man to achieve the same outcome. Harris suggests that these intuitions might reflect a deeper consequentialist consideration, such as the societal implications of normalizing certain actions.

The conversation shifts to consequentialism, the ethical framework that judges actions solely by their outcomes. Harris argues that if all consequences - including psychological and societal impacts - are considered, consequentialism remains robust. Edmonds counters with scenarios designed to challenge this view, such as the hypothetical hospital scenario where a doctor sacrifices one healthy patient to save five others, highlighting the moral discomfort this creates.

Peter Singer's shallow pond thought experiment is introduced as another tool to probe our moral intuitions. It asks whether failing to save a drowning child due to inconvenience is morally equivalent to not donating to save lives elsewhere. This leads to a discussion on effective altruism and the moral obligations to help others, even when it requires personal sacrifice.

Harris and Edmonds explore why certain moral problems, like traffic deaths due to speed limits, don't trigger the same ethical outrage as more immediate scenarios, despite their larger scale. They ponder the psychological and societal factors that influence our moral decision-making and the role of intuition in ethical judgments.

The episode also touches on the impact of philosophical ideas on real-world policy and personal behavior, considering how abstract ethical principles can guide practical decision-making. Harris and Edmonds emphasize the importance of examining these philosophical dilemmas to better understand our moral intuitions and improve ethical decision-making.

Ultimately, the episode underscores the complexity of moral philosophy and the challenges in aligning intuitive moral judgments with philosophical theories like consequentialism. Harris and Edmonds conclude that while thought experiments can illuminate ethical principles, they also reveal the limitations and contradictions inherent in our moral reasoning.

Key Insights