Reasons and Persons

This book by Derek Parfit has been genuinely recommended 2 times across 2 different shows: Joe Rogan, Lex Fridman. The people who vouched for it on air: Jimmy Carr, guest. It comes up in conversations about consciousness, gut health, longevity & aging. The earliest recommendation we indexed is from May 2022 and the most recent from May 2025. Every quote below is verbatim, attributed, and linked to the exact second it was said. Sourced expert opinion, not medical advice.

• “He wrote this brilliant thing called reasons and persons. It's a brilliant book”

  Jimmy Carr · The Joe Rogan Experience · May 202500:56:22

  Said during "Joe Rogan Experience #2326 - Jimmy Carr". The episode features Jimmy Carr: British comedian known for rapid-fire one-liners, panel shows like 8 Out of 10 Cats, and Netflix specials. A prolific touring stand-up currently working a 47-country tour. Jimmy Carr and Joe Rogan riff on play, comedy as craft, AI as an emerging god, work ethic, taxes, and the mystery of consciousness.

• “derek parfitt wrote this great book called reasons and persons about how you really define an individual is not just your own thoughts”

  Why it counts as a recommendation: “wrote this great book”
  guest · Lex Fridman Podcast · May 202202:26:21

  Said during "Chris Mason: Space Travel, Colonization, and Long-Term Survival in Space | Lex Fridman Podcast #283". The episode features Chris Mason: Professor of genomics, physiology and biophysics at Cornell who runs molecular experiments on astronauts in space, including NASA's famous twin study. Author of 'The Next 500 Years: Engineering Life to Reach New Worlds.'. A Cornell geneticist makes the case that humanity has a duty to engineer life itself to survive and spread across the cosmos.