Reasons and Persons

By Derek Parfit,

Book cover of Reasons and Persons

Book description

This book challenges, with several powerful arguments, some of our deepest beliefs about rationality, morality, and personal identity. The author claims that we have a false view of our own nature; that it is often rational to act against our own best interests; that most of us have moral views…

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Why read it?

1 author picked Reasons and Persons as one of their favorite books. Why do they recommend it?

Arguably the greatest work of moral philosophy of the 20th Century.  It’s rich with vivid thought experiments – including Parfit’s famous tele-transporter, which can make an exact copy of us and transport us to another planet. Is this copy of me the same person as me? The book makes us question some of our deepest assumptions - such as what it means to say that David Edmonds today is identical to David Edmonds yesterday or tomorrow. Parfit was my first supervisor, and I’m now writing his biography.

From David's list on read before you turn 25.

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