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13 min 11 sec
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Lessons in Stoicism: What Ancient Philosophers Teach Us about How to Live

Shows how the ancient Stoics tied happiness to character, and how judging events wisely helps you focus on what you control, cool anger early, use your time well and serve others better.

Table of Content

Most of us tie our peace of mind to things we cannot steer: a promotion, a client’s mood, the state of our health. The ancient Stoics argued that happiness depends far more on character than on anything outside us, and that this is good news, because character is the part we can work on. In Lessons in Stoicism, philosopher John Sellars draws that thread through the teachings of three Stoic voices: Epictetus, Seneca and Marcus Aurelius.

His case comes down to one idea. The single thing fully in our power is how we judge what happens to us, and once we take charge of those judgments, we can quiet anger, stop wasting our days and become more useful to the people around us. Along the way there is a working test for sorting what is yours to change from what is not, a way to catch anger in its first second, and a reason to guard your hours more fiercely than your wallet.

A teacher who began life enslaved described his classroom as a hospital. His patients were not sick in body, and the cure he offered started with a surprising claim about money, fame and what actually counts as good.

An archer can do everything right and still miss. The Stoics used that uncomfortable fact to redefine success in a way that no gust of bad luck can ever take from you.

Before you have formed a single thought about a dream job or a beautiful car, your mind has already decided something about it. A simple word game can undo that decision.

A Roman philosopher compared rage to falling from a building. He also believed there is a brief moment before the fall when you can still step back, and he explained exactly where to find it.

Seneca insisted that nobody is short of time, however long or brief their life. His explanation of where the hours really go is uncomfortable, and his remedy sounds darker than it is.

Stoicism is often mistaken for a private retreat into your own head. One Stoic’s image of a single tree shows why the school saw cutting yourself off as damage to everyone, including you.

Stoicism, as Sellars presents it, starts from a modest point and arrives somewhere large. The modest point is that you cannot steer the wind, the market, your reputation or other people’s moods. The large point is that you do not need to, because the thing that decides how well you live, your character, runs through judgments that remain yours in every circumstance. A man born into slavery built a whole teaching on that, and a Roman philosopher who knew any day might be his last used it to stop wasting time.

The practices are small enough to start now. Before something you care about, set your goal as shooting well and let the wind do what it does. When a craving pulls, name the thing plainly, the way Marcus reduced a fine dinner to a dead fish. When anger flares, wait out the first movement and inspect the verdict behind it. And spend your hours as if they were scarce, since Seneca thought they were never short, only misused.

None of this is meant to wall you off. The better your judgments, the more good you can do in every circle around you, out to the last branch of the tree.

About this book

What is this book about?

Many people tie their peace of mind to things they cannot steer: a promotion, a client's mood, their health, what others think of them. When those things wobble, so does everything else. John Sellars, an academic philosopher, turns to the ancient Stoics for a different footing. They held that a good life rests on the kind of person you are, and that wealth, status and even health are secondary. Sellars follows this idea through three Stoic voices. Epictetus, born into slavery, separates what is ours to control from what is not and places our judgments firmly on the first list. Seneca treats anger as a passing madness and warns that we squander our time while guarding our possessions. Marcus Aurelius strips tempting objects down to their plain reality and pictures humanity as branches of one tree. Readers get a short, clear map of Stoic ethics and a handful of exercises they can try at once: sorting worries into two lists, pausing before anger takes hold, naming desires in flat terms and spending hours as if they were scarce. Sellars also corrects a common mistake, showing that the Stoic turn inward was meant to make people more useful to the communities around them.

Book Information

Rating:

Genre:

Philosophy

Topics:

Emotion Regulation, Inner Peace, Stoicism

Publisher:

Penguin Random House

Language:

English

Narrator:

Emily

First published:

September 5, 2019

Pages:

80

Length:

13 min 11 sec

Get the book:

Amazon

Who it's for

  • Professionals swayed by results

    Professionals whose mood rises and falls with results, rankings or other people's opinions.

  • Wanting to curb anger

    Anyone whose temper flares at work or at home and who wants a way to catch it early.

  • New to Stoicism

    Curious beginners who want a short, clear map of Epictetus, Seneca and Marcus Aurelius.

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About the Author

John Sellars

John Sellars is an academic philosopher connected to King's College London, where he is linked to the Ancient Commentators on Aristotle project. He has also been a Junior Research Fellow at Wolfson College, Oxford, and remains a member of the college. His books on Stoic philosophy examine both its ethics and how it can be put into practice, and Lessons in Stoicism belongs to that body of work.

Ratings & Reviews

Ratings at a glance

4.6

Overall score based on 409 ratings.

What people think

Listeners find this book to be an excellent starting point for learning about stoicism, with one listener highlighting how it dives directly into practical philosophy. The material is concise and stays on topic, while one listener provides a helpful overview of the roots of ancient stoicism. Furthermore, the text is highly accessible, and one listener characterizes the prose as "tight and clear."

Top reviews

Jiraporn

This slim volume packs a massive punch for its size. Sellars manages to condense the wisdom of the Roman big three—Seneca, Epictetus, and Marcus Aurelius—into something you can finish in a single sitting. The writing is incredibly tight and clear, stripping away the academic fluff to reveal what actually matters for living today. I particularly appreciated how he reframes the "emotionless" stereotype; it’s not about being a stone, but about not letting your brain get hijacked by every little inconvenience. It’s practical philosophy at its finest. While it’s very short, it feels complete and authoritative. I will be recommending this to anyone who feels like the world is currently a total dog's breakfast.

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Kob

Wow, this was exactly the mental reset I needed this week. I love how Sellars tackles the idea that being "stoic" means having no feelings. He explains that it's actually about consistency and integrity, rather than just being a cold, unfeeling robot. The formatting is great—laconic and straight to the point, which feels very appropriate for the subject matter. It’s rare to find a philosophy book that you can keep in your pocket and reference when you're feeling overwhelmed by the news. It makes the "big ideas" feel manageable and, more importantly, usable in everyday life. If you’re tired of the smartphone-induced brain rot, spend an hour with this instead.

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Bun

The chapter on misconceptions about Stoicism is worth the price of the book alone. Sellars directly addresses the negative connotations the word has picked up in modern English. He clarifies that the Stoics didn't think Nature was indifferent, but rather a rational system we are lucky to participate in. The writing is clear, concise, and remarkably persuasive. It feels like a masterclass in "less is more." I especially liked the recommended reading list at the back—it’s a helpful roadmap for where to go next once you finish this. It really helped me understand why my friends have been so focused on this lately. Five stars for the clarity.

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Phimwan

Look, I’ve struggled with anxiety for years, and this little book offered more comfort than a dozen self-help manuals. Sellars doesn't promise a magic cure, but he offers a framework for deciding what is worth your energy. The idea of viewing things from a "cosmic perspective" really resonated with me. It’s fascinating to see how these Roman thinkers were dealing with the same stressors we are today, just without the internet. The text is tight and moves quickly through the essentials of managing emotions and social awareness. It’s a beautiful little primer that I’ll probably keep on my nightstand for a long time. It’s just very human.

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Wissanu

Finally got around to reading this after seeing it recommended on a dozen different blogs. It’s an excellent introduction to the trio of Seneca, Epictetus, and Marcus Aurelius. Sellars avoids the trap of making philosophy sound like a chore. Instead, he presents it as a toolkit for navigating a world that often feels like a complete mess. The book is gorgeous in its simplicity and hits all the key points about wealth, fame, and self-control without sounding preachy. For a professor to write something so accessible for ordinary readers is a real gift. It’s the perfect antidote to the chaos of modern life. Totally worth the hour it takes to read.

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Connor

Ever wonder why everyone seems to be talking about Stoicism lately? I grabbed this because my social circle is suddenly obsessed with Marcus Aurelius and I wanted to know what the fuss was about. Sellars makes the core concepts incredibly accessible without dumbing them down. He highlights that Stoicism isn't just about self-discipline; it's about our duty to humanity and being part of a larger community. The section on "two commonwealths" really changed how I viewed the philosophy. It’s a very quick read, maybe under 70 pages, which makes it perfect for a commute or a quiet afternoon. My only minor complaint is that I wanted more depth on some of the earlier Greek founders, but for a primer, it’s stellar.

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Lena

Picked this up after failing to get through a very dry, antiquated translation of Seneca. What a difference a good writer makes! Sellars explains these ancient ideas in a way that feels modern and actionable. The book is organized beautifully, starting with the self and moving outward toward our role in the cosmos. It’s less of a textbook and more of a friendly guide to managing your own reactions. I found the discussion on what we can and cannot control to be particularly timely given how chaotic life feels right now. It’s refreshing to find a philosophy book that doesn't require a PhD to enjoy. Definitely a great way to get started if you’re curious.

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Tim

After hearing so much hype about ancient philosophy, I was worried this would be another "bro-stoicism" manual, but it’s actually quite scholarly and balanced. Sellars does a fantastic job explaining the origins of the movement without getting bogged down in dates and names. The focus is heavily on the Roman thinkers, which provides a great foundation for understanding the practical side of things. I appreciated the emphasis on how we are all part of one global community. Truth is, I found it much more "helpful" and informative than I expected from such a short text. It’s a great refresher for long-time practitioners but perfectly welcoming for absolute beginners.

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Dream

To be fair, this is a very decent introduction, but it felt a bit too brief for my liking. If you've already read Meditations or any of the popular Ryan Holiday books, you probably won't find much new information here. Sellars is a professor, so the information is accurate and hits the mark, but I finished it in about forty minutes. I was hoping for more analysis on the intersection of Stoicism and modern psychology, like the comparison to the movie Inside Out mentioned in some other reviews. It’s a nice little gift book, but maybe too lightweight for someone looking for a deep dive into the history of the school. It’s a solid read for the quality of writing, even if the content is thin.

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Gift

Maybe I'm just not the target audience, but I found this incredibly underwhelming. It's barely a book; more like a long essay that's been printed with wide margins to justify the price. While the information is fine, it doesn't offer any unique insights that you couldn't find in a ten-minute YouTube video. I was expecting more from a professor of philosophy. If you want a real challenge or a deep understanding of the soul, look elsewhere. It's just too "brief" to be meaningful for me. I gave it two stars because the cover is nice, but that's about it. It’s over-simplified and doesn’t dive into the heavy lifting.

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Questions about this book

John Sellars presents the Stoic view that a good life depends on character, not on wealth, status or other outside things. Because our judgments about events are the one thing fully in our control, training them lets us find calm, manage anger, use our time well and play a fuller part in our communities. Virtue, built from wisdom, justice, courage and moderation, is treated as the only true good.

Following Epictetus, the Stoics placed our judgments, impulses and desires within our control, and our bodies, possessions and reputation outside it. We also do not choose our sensations or first feelings. Unhappiness comes from confusing the two lists. The Stoic image is an archer: she controls her aim and release, but the wind may still move the arrow, so success means shooting well, not always hitting.

Seneca called anger a temporary madness, like falling from a building. The Stoics separate involuntary first movements, such as shock or nerves, from the judgment that follows, which turns them into full anger. The place to act is that judgment. Seneca advised pausing before reacting: if criticism is fair, use it to improve; if it is unfair, it harms only the critic.

Seneca’s essay On the Shortness of Life argued that life is long enough but that most people misuse it through procrastination, empty goals, aimless routine or fear of failure. He found it absurd to guard possessions while giving away hours freely. His remedy was to live each day aware it might be the last, with attention rather than fear.

Sellars argues it is the opposite. The Stoics saw every person at the center of widening circles of concern, from family to all of humanity, a view called cosmopolitanism. Marcus Aurelius compared people to branches of one tree, so cutting yourself off harms the whole. Self-improvement is meant to make you better at your roles as relative, worker and citizen.

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Lessons in Stoicism

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