The Tim Ferriss Show Tim Ferriss

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David Deutsch (@DavidDeutschOxf) is a visiting professor of physics at the Centre for Quantum Computation, a part of the Clarendon Laboratory at Oxford University, and an honorary fellow of Wolfson College, Oxford. He works on fundamental issues in physics, particularly the quantum theory of computation and information and especially constructor theory, which he is proposing as a new way of formulating laws of nature. He is the author of The Fabric of Reality and The Beginning of Infinity, and he is an advocate of the philosophy of Karl Popper. 

Naval Ravikant (@naval) is the co-founder of Airchat and AngelList. He has invested in more than 100 companies, including many mega-successes, such as Twitter, Uber, Notion, Opendoor, Postmates, and Wish. You can see his latest musings on Airchat and subscribe to Naval, his podcast on wealth and happiness, on Apple Podcasts, Spotify, Overcast, or wherever you get your podcasts. You can also find his blog at nav.al.

For more Naval-plus-Tim, check out my wildly popular interview with him from 2015 (nominated for “Podcast of the Year”) and our conversation from 2020. 

Naval also co-piloted the interviews with Ethereum creator Vitalik Buterin and famed investor Chris Dixon. 

Please enjoy!

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This episode is brought to you by LinkedIn Jobs. Whether you are looking to hire now for a critical role or thinking about needs that you may have in the future, LinkedIn Jobs can help. LinkedIn screens candidates for the hard and soft skills you’re looking for and puts your job in front of candidates looking for job opportunities that match what you have to offer.

Using LinkedIn’s active community of more than 900 million professionals worldwide, LinkedIn Jobs can help you find and hire the right person faster. When your business is ready to make that next hire, find the right person with LinkedIn Jobs. And now, you can post a job for free. Just visit LinkedIn.com/Tim.

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This episode is also brought to you by FreshBooks. I’ve been talking about FreshBooks—an all-in-one invoicing + payments + accounting solution—for years now. Many entrepreneurs, as well as the contractors and freelancers that I work with, use it all the time.

FreshBooks makes it super easy to track things like expenses, project time, and client info and then merge it all into great-looking invoices. And right now, there’s a special offer just for my listeners. Head over to FreshBooks.com/Tim to get 90% off your FreshBooks subscription for 4 months.

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This episode is also brought to you by Athletic Greens. I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1 by Athletic Greens, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. I do my best with nutrient-dense meals, of course, but AG further covers my bases with vitamins, minerals, and whole-food-sourced micronutrients that support gut health and the immune system. 

Right now, Athletic Greens is offering you their Vitamin D Liquid Formula free with your first subscription purchase—a vital nutrient for a strong immune system and strong bones. Visit AthleticGreens.com/Tim to claim this special offer today and receive the free Vitamin D Liquid Formula (and 5 free travel packs) with your first subscription purchase! That’s up to a one-year supply of Vitamin D as added value when you try their delicious and comprehensive all-in-one daily greens product.

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[08:03] The impact The Fabric of Reality and The Beginning of Infinity have had on Naval.

[10:07] The four strands.

[13:04] Dispelling common misconceptions about science.

[19:26] How does knowledge grow?

[24:26] The benefits of understanding the fo

Brought to you by Wealthfront high-yield savings account, Helix Sleep premium mattresses, and Shopify global commerce platform providing tools to start, grow, market, and manage a retail business. 

Peter Attia, MD (@PeterAttiaMD), is the founder of Early Medical, a medical practice that applies the principles of Medicine 3.0 to patients with the goal of lengthening their lifespan and simultaneously improving their healthspan. He is the host of The Drive, one of the most popular podcasts covering the topics of health and medicine. 

Dr. Attia received his medical degree from the Stanford University School of Medicine and trained for five years at the Johns Hopkins Hospital in general surgery, where he was the recipient of several prestigious awards, including Resident of the Year. He spent two years at the National Institutes of Health as a surgical oncology fellow at the National Cancer Institute, where his research focused on immune-based therapies for melanoma.

His new book is Outlive: The Science and Art of Longevity (3/28).

Please enjoy!

This episode is brought to you by Shopify! Shopify is one of my favorite platforms and one of my favorite companies. Shopify is designed for anyone to sell anywhere, giving entrepreneurs the resources once reserved for big business. In no time flat, you can have a great-looking online store that brings your ideas to life, and you can have the tools to manage your day-to-day and drive sales. No coding or design experience required.

Go to shopify.com/Tim to sign up for a one-dollar-per-month trial period. It’s a great deal for a great service, so I encourage you to check it out. Take your business to the next level today by visiting shopify.com/Tim.

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This episode is also brought to you by Helix Sleep! Helix was selected as the #1 overall mattress of 2020 by GQ magazine, Wired, Apartment Therapy, and many others. With Helix, there’s a specific mattress to meet each and every body’s unique comfort needs. Just take their quiz—only two minutes to complete—that matches your body type and sleep preferences to the perfect mattress for you. They have a 10-year warranty, and you get to try it out for a hundred nights, risk-free. They’ll even pick it up from you if you don’t love it. And now, Helix is offering 20% off all mattress orders plus two free pillows at HelixSleep.com/Tim.

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This episode is also brought to you by Wealthfront! Wealthfront is an app that helps you save and invest your money. Right now, you can earn 4.05% APY—that’s the Annual Percentage Yield—with the Wealthfront Cash Account. That’s more than twelve times more interest than if you left your money in a savings account at the average bank, according to FDIC.gov. 

It takes just a few minutes to sign up, and then you’ll immediately start earning 3.8% interest on your savings. And when you open an account today, you’ll get an extra fifty-dollar bonus with a deposit of five hundred dollars or more.  Visit Wealthfront.com/Tim to get started.

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[07:00] How and why Peter’s muscle mass has increased significantly.

[18:48] Why the long wait for Outlive: The Science and Art of Longevity?

[23:19] Objective, strategy, and tactics.

[28:50] From Medicine 1.0 to Medicine 3.0.

[39:04] Randomized control trial results: guidelines, not gospel.

[43:21] Revisiting why and how one should increase their medical literacy.

[52:44] Avoiding scientific method misconceptions.

[55:43] Austin Bradford Hill.

[56:22] Observational study versus randomized control trial.

[1:00:09] Are sleep trackers downgrading the quality of our sleep?

[1:02:53] Under what conditions does Peter feel alcohol might be worth its downsides?

[1:06:47] Continuous glucose monitors (CGMs).

[1:18:24] Underutilized metrics and tools for expanding health and lifespan.

[1:25:01] Strength.

[1:33:11] Rucking around and finding out about VO2 max.

[1:38:32] Finding the zone two sweet spot.

[1:

Brought to you by Athletic Greens’s AG1 all-in-one nutritional supplement, Eight Sleep’s Pod Cover sleeping solution for dynamic cooling and heating, and Protekt's REST sleep supplement.

Andrew Huberman, PhD (@hubermanlab), is a neuroscientist and tenured professor in the Department of Neurobiology at Stanford University’s School of Medicine. He has made numerous important contributions to the fields of brain development, brain function, and neural plasticity. Work from the Huberman Laboratory at Stanford Medicine has been consistently published in top journals including Nature, Science, and Cell.

Andrew is the host of the podcast Huberman Lab, which is often ranked as one of the top five podcasts in the world by both Apple and Spotify. The show aims to help viewers and listeners improve their health with science and science-based tools. New episodes air every Monday on YouTube and all podcast platforms.

Please enjoy!

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This episode is brought to you by Protekt’s REST supplement! Protekt's REST is a new take on getting deeper, more restorative sleep. Protekt's REST supplement helps provide consistent, restful sleep without any habit-forming ingredients or groggy side effects. Simply add it to your last glass of water before bed, and it goes to work.

REST has no added sugars, artificial sweeteners, or artificial ingredients. Protekt is veteran-owned, and they make all of their products right here in the USA. Protekt is offering you 30% off both flavors of their REST formula! Visit Protekt.com/Tim to claim this special offer today and use code TIM at checkout.

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This episode is brought to you by Eight Sleep! Eight Sleep’s Pod Cover is the easiest and fastest way to sleep at the perfect temperature. It pairs dynamic cooling and heating with biometric tracking to offer the most advanced (and user-friendly) solution on the market. Simply add the Pod Cover to your current mattress and start sleeping as cool as 55°F or as hot as 110°F. It also splits your bed in half, so your partner can choose a totally different temperature.

Go to EightSleep.com/Tim and save $250 on the Eight Sleep Pod Cover. Eight Sleep currently ships within the USA, Canada, the UK, select countries in the EU, and Australia.

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This episode is also brought to you by Athletic Greens. I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1 by Athletic Greens, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. I do my best with nutrient-dense meals, of course, but AG further covers my bases with vitamins, minerals, and whole-food-sourced micronutrients that support gut health and the immune system. 

Right now, Athletic Greens is offering you their Vitamin D Liquid Formula free with your first subscription purchase—a vital nutrient for a strong immune system and strong bones. Visit AthleticGreens.com/Tim to claim this special offer today and receive the free Vitamin D Liquid Formula (and 5 free travel packs) with your first subscription purchase! That’s up to a one-year supply of Vitamin D as added value when you try their delicious and comprehensive all-in-one daily greens product.

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[05:20] Inspirations and principles.

[07:51] Sleep, nutrients, exercise, light, and relationships.

[19:30] Making movement matter.

[27:37] Striving to "be like a mule" on Sunday.

[29:32] The neurological processes of cultivating the physique.

[33:20] Monday.

[48:48] An aside about cheat day.

[50:09] Tuesday.

[52:35] Wednesday.

[54:23] A strong neck is more than just an appealing aesthetic.

[1:00:32] Thursday.

[1:00:47] Friday.

[1:01:56] Saturday.

[1:02:46] A recap of how the days synergize with one another.

[1:08:23] Nordic curls for boys and girls.

[1:11:14] Minimizing shin splints.

[1:13:47] You say soleus pushup, I say seated calf raise.

[1:16:42] Flat feet, Tabata, and self-coa

Brought to you by Athletic Greens’s AG1 all-in-one nutritional supplement, House of Macadamias delicious and nutritious nuts, and Shopify global commerce platform providing tools to start, grow, market, and manage a retail business. 

Michael Mauboussin (@mjmauboussin) is Head of Consilient Research on Counterpoint Global at Morgan Stanley Investment Management.

Prior to joining Counterpoint Global, Michael was Director of Research at BlueMountain Capital, Head of Global Financial Strategies at Credit Suisse, and Chief Investment Strategist at Legg Mason Capital Management. Michael originally joined Credit Suisse in 1992 as a packaged food industry analyst and was named Chief U.S. Investment Strategist in 1999.

Michael is the author of The Success Equation: Untangling Skill and Luck in Business, Sports, and Investing, Think Twice: Harnessing the Power of Counterintuition, and More Than You Know: Finding Financial Wisdom in Unconventional Places. More Than You Know was named one of "The 100 Best Business Books of All Time" by 800-CEO-READ, one of the best business books by BusinessWeek (2006), and best economics book by Strategy+Business (2006). Michael is also co-author, with Alfred Rappaport, of Expectations Investing: Reading Stock Prices for Better Returns. 

Michael has been an adjunct professor of finance at Columbia Business School since 1993 and is on the faculty of the Heilbrunn Center for Graham and Dodd Investing. He received the Dean's Award for Teaching Excellence in 2009 and 2016 and the Graham & Dodd, Murray, Greenwald Prize for Value Investing in 2021.

Michael earned an A.B. from Georgetown University. He is chairman emeritus of the board of trustees of the Santa Fe Institute, a leading center for multidisciplinary research in complex systems theory.

Please enjoy!

This episode is brought to you by Shopify! Shopify is one of my favorite platforms and one of my favorite companies. Shopify is designed for anyone to sell anywhere, giving entrepreneurs the resources once reserved for big business. In no time flat, you can have a great-looking online store that brings your ideas to life, and you can have the tools to manage your day-to-day and drive sales. No coding or design experience required.

Go to shopify.com/Tim to sign up for a one-dollar-per-month trial period. It’s a great deal for a great service, so I encourage you to check it out. Take your business to the next level today by visiting shopify.com/Tim.

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This episode is also brought to you by House of Macadamias delicious and nutritious nuts! I love macadamia nuts and have been enjoying them often since keto expert Dr. Dominic D’Agostino recommended them on the podcast in 2015. They taste great, and with more healthy, monounsaturated fat than both olive oil and avocados, 27% fewer carbs than almonds, and more than 50% fewer carbs than cashews, they’re the perfect low-carb, keto-friendly, nutty snack. In fact, I just ate a handful of lightly white-chocolate-covered macadamias about an hour ago to keep me going through the afternoon until dinner. And I will say this: ​House of Macadamias produces the best-tasting macadamia nuts I’ve ever eaten… by far.

Listeners of The Tim Ferriss Show can use code TIM20 to get 20% off all orders, plus, for a limited time, a free, premium, extra-virgin, cold-pressed macadamia oil with any order, valued at $20. Visit HouseOfMacadamias.com/Tim to discover some of the most delicious and nutritious nuts on the planet.

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This episode is also brought to you by Athletic Greens. I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1 by Athletic Greens, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. I do my best with nutrient-dense meals, of course, but AG further covers my bases with vitamins, minerals, and whole-food-sourced micronutrients that support g

Brought to you by Athletic Greens’s AG1 all-in-one nutritional supplement, Helix Sleep premium mattresses, and FreshBooks cloud-based small business accounting software.

Matt Mochary (@mattmochary) coaches the heads of top Silicon Valley tech investment firms and companies on how to be the best leaders and build the best organizations possible. His philosophy and method are captured in both the Mochary Coaching Methodology (which is available as a free Google Doc) and in his book The Great CEO Within, which is available on Amazon and online (also as a free Google Doc).

As a former founder, CEO, and investor, Matt knows firsthand the challenges of those roles as well as solutions to the most commonly encountered problems. His coaching is not questions-only; there is real guidance. Matt specializes in helping CEOs and their companies (or investment firms) transition from freewheeling startups to dominant enterprises.

Please enjoy!

This episode is brought to you by FreshBooks. I’ve been talking about FreshBooks—an all-in-one invoicing + payments + accounting solution—for years now. Many entrepreneurs, as well as the contractors and freelancers that I work with, use it all the time.

FreshBooks makes it super easy to track things like expenses, project time, and client info and then merge it all into great-looking invoices. And right now, there’s a special offer just for my listeners. Head over to FreshBooks.com/Tim to get 90% off your FreshBooks subscription for 4 months.

*

This episode is also brought to you by Athletic Greens. I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1 by Athletic Greens, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. I do my best with nutrient-dense meals, of course, but AG further covers my bases with vitamins, minerals, and whole-food-sourced micronutrients that support gut health and the immune system. 

Right now, Athletic Greens is offering you their Vitamin D Liquid Formula free with your first subscription purchase—a vital nutrient for a strong immune system and strong bones. Visit AthleticGreens.com/Tim to claim this special offer today and receive the free Vitamin D Liquid Formula (and 5 free travel packs) with your first subscription purchase! That’s up to a one-year supply of Vitamin D as added value when you try their delicious and comprehensive all-in-one daily greens product.

*

This episode is also brought to you by Helix Sleep! Helix was selected as the #1 overall mattress of 2020 by GQ magazine, Wired, Apartment Therapy, and many others. With Helix, there’s a specific mattress to meet each and every body’s unique comfort needs. Just take their quiz—only two minutes to complete—that matches your body type and sleep preferences to the perfect mattress for you. They have a 10-year warranty, and you get to try it out for a hundred nights, risk-free. They’ll even pick it up from you if you don’t love it. And now, Helix is offering 20% off all mattress orders plus two free pillows at HelixSleep.com/Tim.

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[05:36] Fear and anger give bad advice.

[10:23] Dispelling dating dread.

[17:19] The power of prediction.

[27:07] Next actions.

[30:56] Turning conversations into action items.

[33:36] Accountability for introverts and extroverts.

[38:20] What is Focusmate?

[40:23] Separating decision from implementation.

[44:43] Firing well.

[51:33] Effective and efficient recruiting.

[1:01:41] Getting honest feedback from past managers.

[1:04:10] The energy audit.

[1:10:36] Running effective and efficient meetings.

[1:18:56] Reducing and removing energy-depleting obligations from the calendar.

[1:34:01] Assistance with assistants.

[1:44:37] Why did Matt stop making documentaries?

[1:55:30] Why Matt's building a startup.

[1:59:52] Rules, guide rails, and exit protocols.

[2:03:26] Downregul

Brought to you by Wealthfront high-yield savings account, Basecamp refreshingly simple project management, and Eight Sleep’s Pod Cover sleeping solution for dynamic cooling and heating.

John Vervaeke (@vervaeke_john) is a professor of psychology at the University of Toronto. He currently teaches courses on thinking and reasoning with an emphasis on cognitive development, intelligence, rationality, mindfulness, and the psychology of wisdom.

Vervaeke is the director of UToronto’s Consciousness and Wisdom Studies Laboratory and its Cognitive Science program, where he teaches Introduction to Cognitive Science and The Cognitive Science of Consciousness, emphasizing the 4E model, which contends that cognition and consciousness are embodied, embedded, enacted, and extended beyond the brain.

Vervaeke has taught courses on Buddhism and Cognitive Science in the Buddhism, Psychology, and Mental Health program for 15 years. He is the author and presenter of the YouTube series “Awakening from the Meaning Crisis” and his brand new series, ‘After Socrates.’

Please enjoy!

This episode is brought to you by Basecamp! Basecamp combines everything you need to manage your team and projects into one simple platform. Optimize your business with Basecamp and cut your inboxes and calendars in half. You can save time and money. Right now, Basecamp is offering a free 30-day trial. Plus, listeners of The Tim Ferriss Show get an exclusive discount: get 10% off your first year’s annual subscription when you sign up at Basecamp.com/Tim.

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This episode is also brought to you by Wealthfront! Wealthfront is an app that helps you save and invest your money. Right now, you can earn 4.05% APY—that’s the Annual Percentage Yield—with the Wealthfront Cash Account. That’s more than twelve times more interest than if you left your money in a savings account at the average bank, according to FDIC.gov. 

It takes just a few minutes to sign up, and then you’ll immediately start earning 3.8% interest on your savings. And when you open an account today, you’ll get an extra fifty-dollar bonus with a deposit of five hundred dollars or more.  Visit Wealthfront.com/Tim to get started.

*

This episode is also brought to you by Eight Sleep! Eight Sleep’s Pod Cover is the easiest and fastest way to sleep at the perfect temperature. It pairs dynamic cooling and heating with biometric tracking to offer the most advanced (and user-friendly) solution on the market. Simply add the Pod Cover to your current mattress and start sleeping as cool as 55°F or as hot as 110°F. It also splits your bed in half, so your partner can choose a totally different temperature.

Go to EightSleep.com/Tim and save $250 on the Eight Sleep Pod Cover. Eight Sleep currently ships within the USA, Canada, the UK, select countries in the EU, and Australia.

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[05:31] The four ways of knowing (4P).

[10:15] Affordances.

[13:04] Semantic memory.

[13:37] Flow.

[27:03] Did John find Tai Chi, or did Tai Chi find him?

[29:46] Leaving Christianity.

[34:42] Wisdom vs. knowledge.

[36:54] Self-deception.

[41:53] When is logic the illogical choice for solving a problem?

[46:05] The powers and perils of intuition.

[55:05] Spotting patterns that need breaking.

[59:18] Meditation vs. contemplation.

[1:05:30] Misunderstanding love.

[1:06:36] Circling.

[1:12:28] “God is related to the world the way the mind is related to the body.”

[1:14:34] A non-theist in the no-thingness.

[1:24:03] Responsive poiesis and Sufism.

[1:27:31] Neoplatonism.

[1:29:16] Seminal moments.

[1:31:36] Pierre Hadot.

[1:32:43] Two books.

[1:34:38] Potent poetry.

[1:37:40] The four Es.

[1:42:38] Two bonus Es.

[1:45:24] Heretical beliefs.

[1:54:12] Panpsychism.

[2:00:56] Most unusual modes of cognition.

[2:02:37] Jordan Peterson.

[2:10:27] Opponent processing.

[2:13:53] How to support friends endeavoring to lead meaningful lives.

[2:17:50] After Socrate