PX on Parfit – Rationality vs Morality (Ep 4)

PX on Parfit – Rationality vs Morality (Ep 4)

Philosophy Exchange Podcast

21/07/2025 7:29AM

Episode Synopsis "PX on Parfit – Rationality vs Morality (Ep 4)"

Can it be rational to prefer scratching your finger to preventing the destruction of the world? The tension between self-interest and morality has been described as the “profoundest problem in ethics”. But, as we discuss in this episode, Derek Parfit thought this was wrong. He argued for an objective rather than a subjective view of rationality, meaning it can be rational to act morally.

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