
Converging Dialogues #464 - Thought Experiments, Morals, and Effective Altruism: A Dialogue with David Edmonds
Jan 12, 2026
Join David Edmonds, a Distinguished Research Fellow at Oxford and author renowned for exploring moral philosophy, as he delves into the intriguing world of thought experiments. He discusses the shallow pond scenario, critiquing its implications on altruism and moral responsibility. Edmonds contrasts intuitive moral dilemmas, like the trolley problem, with effective altruism's pragmatic approach to global issues. Touching on the influence of billionaires in philanthropy and the need for transparent giving, he emphasizes the importance of individual contributions to drive meaningful change.
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Parfit's Repeated City Photographs
- Derek Parfit repeatedly photographed the same scenes across decades in three cities.
- He preferred returning to familiar places rather than embracing change.
Shallow Pond Moral Intuition
- Peter Singer's shallow pond shows a vivid moral intuition: save a drowning child even at minor personal cost.
- Singer argues affluent people face the same moral choice daily toward distant strangers.
Thought Experiments As Controlled Tests
- Thought experiments let philosophers isolate factors by creating simplified, controlled scenarios.
- They function like clinical trials for moral intuitions by removing real-world confounds.









