BookPhilosophy
"Meditations" by Marcus Aurelius: Summary and Review
A Roman emperor's private notebook on judgment, duty and impermanence: what Meditations says, how to read it, and which translation to choose.
10 min read≈ 2,120 words5 questions
Level
Intro
No prerequisites: each of these starts from zero.
35 items
IdeaMind & Psychology
What Is Cognitive Dissonance?
Why people paid one dollar to lie liked a dull task more than those paid twenty, and what cognitive dissonance does and does not explain.
7 min read≈ 1,620 words3 questions
IdeaPhilosophy
What Is the Dichotomy of Control?
The Stoic idea that splits life into what is up to you and what is not: how it works, where it came from, and why aiming beats hitting.
8 min read≈ 1,650 words3 questions
IdeaPhysics & Chemistry
Why Is the Night Sky Dark? Olbers' Paradox, Explained
If the universe were endless and full of stars, every line of sight would end on one. Why the night is dark anyway, and what that reveals about time.
6 min read≈ 1,350 words3 questions
BookArts, Music & Language
"The Creative Act" by Rick Rubin: Summary and Review
Rick Rubin's book on creativity as a way of paying attention: its main ideas, the four phases of a project, and where its vague, spiritual language fails.
9 min read≈ 2,070 words5 questions
BookEconomics & Business
"Rich Dad Poor Dad" by Robert Kiyosaki: Summary and Review
What Rich Dad Poor Dad teaches about assets, cash flow and fear, why its rich dad is probably invented, and which of its tips are risky.
9 min read≈ 1,990 words5 questions
EssayLearning & Living
Life Doesn't React to How Hard You Push, It Reacts to How Much You Trust
Why effort driven by fear often makes uncertain things go worse, what trust means in practice, and where the idea of letting go stops being useful.
6 min read≈ 1,400 words
EssayLearning & Living
Graham Weaver's Life Advice: Go Where Your Energy Is, Not Your Fear
Graham Weaver's 2024 Stanford talk in plain words: the two inner voices, the nail, the nine-lives exercise, going all in, and where it goes too far.
7 min read≈ 1,480 words
EssayLearning & Living
Jim Rohn's "7 Silent Killers of Success": What He Actually Said
Where Jim Rohn's seven "silent killers" really come from, what he said about each attitude, and which parts of his advice still hold up.
6 min read≈ 1,330 words
EssayMind & Psychology
Carl Jung on a Fulfilled Life: Five Conditions and No Guarantee
In 1960 Carl Jung named five conditions for a happy life. He then warned that no list can promise happiness and that a view of life matters most.
6 min read≈ 1,260 words
IdeaReligion & Spirituality
Who Are the Twelve Mahajanas?
The twelve great devotees named by the god of death in the Bhagavata Purana: who they are, why the list exists, and what it says about role models.
7 min read≈ 1,510 words3 questions
IdeaHistory & Civilization
What Were Tally Sticks?
How notched and split sticks of wood recorded debts in medieval England, why people traded them like money, and how they burned down Parliament.
7 min read≈ 1,460 words3 questions
IdeaEconomics & Business
What Is an After-Action Review?
The after-action review asks four questions after any project. Where the method comes from, how to run one step by step, and what the evidence says.
6 min read≈ 1,370 words3 questions
IdeaLearning & Living
What Is Inversion? Thinking Backward to Avoid Mistakes
Inversion solves a problem backward by asking what would make you fail. A worked example, its limits, and where Munger's famous rule comes from.
6 min read≈ 1,350 words3 questions
IdeaSociety & Politics
What Is the Wisdom of the Crowd?
Why 787 guesses at a country fair found the weight of an ox, what a crowd needs to be wise, and when the same crowd turns into a herd.
7 min read≈ 1,630 words3 questions
IdeaPhilosophy
What Is the Parable of the Chinese Farmer?
The story of the farmer who answers every piece of news with "maybe": where it comes from, what it teaches, and where it stops being good advice.
6 min read≈ 1,430 words3 questions
EssayLearning & Living
Tarot for Self-Reflection: What the Cards Can and Cannot Do
Tarot cannot predict your future, and the evidence is clear. But a card can still be a useful prompt for thinking. Here is how to use it honestly.
6 min read≈ 1,420 words
EssayPhilosophy
The Wiggliness of the World: Alan Watts on Straight Lines and a Curved Reality
Alan Watts said the world is wiggly and that trying to straighten it gets us into trouble. What he meant, where he was right, and where he goes too far.
6 min read≈ 1,360 words
BookLearning & Living
"Barking Up the Wrong Tree" by Eric Barker: Summary and Review
Eric Barker tests popular success advice against research. What the book finds about grades, kindness, grit, networking and balance, and its limits.
9 min read≈ 1,980 words5 questions
BookEconomics & Business
"Same as Ever" by Morgan Housel: Summary and Review
Housel argues that you cannot predict events, but you can predict how people behave. The book's key ideas, its limits, and who should read it.
9 min read≈ 1,900 words5 questions
BookEconomics & Business
"The Psychology of Money" by Morgan Housel: Summary and Review
Why behavior matters more than knowledge with money: Housel's main ideas on luck, compounding, saving and room for error, and where the book falls short.
9 min read≈ 1,950 words5 questions
BookHistory & Civilization
"Sapiens" by Yuval Noah Harari: Summary and Review
Harari's history of humankind in one argument: shared fictions let strangers cooperate. The key ideas, what historians criticize, and who should read it.
9 min read≈ 1,960 words5 questions
BookEconomics & Business
"Principles" by Ray Dalio: Summary and Review
Ray Dalio's rules for facing reality, learning from mistakes and deciding together, explained, with the critics' view of the culture they built.
9 min read≈ 1,890 words5 questions
BookPhilosophy
"The Daily Stoic" by Ryan Holiday and Stephen Hanselman: Summary and Review
What The Daily Stoic offers: 366 short Stoic passages with modern comments, built on three disciplines. How to use it, and what it cannot replace.
9 min read≈ 1,960 words5 questions
BookEconomics & Business
"What Got You Here Won't Get You There" by Marshall Goldsmith: Summary and Review
Marshall Goldsmith on the 20 habits that hold successful people back and his method for changing them. What the book argues, its limits, and who it helps.
9 min read≈ 1,970 words5 questions
BookEconomics & Business
"Who Gets What and Why" by Alvin E. Roth: Summary and Review
How a Nobel economist redesigned the markets for doctors, school places and kidneys, and what his book teaches about markets where price does not decide.
10 min read≈ 2,210 words5 questions
BookHistory & Civilization
"Extraordinary Popular Delusions and the Madness of Crowds" by Charles Mackay: Summary and Review
Mackay's 1841 classic on bubbles, witch hunts and fads: what the book says, which famous stories historians now doubt, and how to read it today.
10 min read≈ 2,170 words5 questions
BookHistory & Civilization
"The Art of War" by Sun Tzu: Summary and Review
What the ancient Chinese classic on strategy really says, who may have written it, where its advice fails, and which translation to read.
11 min read≈ 2,490 words5 questions
BookReligion & Spirituality
"A New Earth" by Eckhart Tolle: Summary and Review
Eckhart Tolle's book on the ego, the pain-body and presence: what he teaches, which parts are spiritual claims, not tested knowledge, and how to read it.
10 min read≈ 2,140 words5 questions
BookEconomics & Business
"Cashflow Quadrant" by Robert Kiyosaki: Summary and Review
Kiyosaki's model of four ways to earn money explained: employee, self-employed, business owner, investor, plus what the model gets right and wrong.
9 min read≈ 1,890 words5 questions
BookSociety & Politics
"The Crowd" by Gustave Le Bon: Summary and Review
Le Bon's 1895 classic on crowd psychology: his claims about contagion, suggestion and leaders, why they shaped propaganda, and what research says today.
9 min read≈ 2,080 words5 questions
BookLearning & Living
"Mastery" by Robert Greene: Summary and Review
Robert Greene's Mastery says great skill comes from a long apprenticeship, not talent. What the book argues, where it is weak, and how to read it.
9 min read≈ 2,020 words5 questions
BookMind & Psychology
"Amazing Decisions" by Dan Ariely: Summary and Review
Dan Ariely's comic about social norms and market norms: the main idea, the research behind it, its evidence problems, and who should read it.
9 min read≈ 1,890 words5 questions
BookEconomics & Business
"The Culture Code" by Daniel Coyle: Summary and Review
Why some groups perform far better than their members' talent suggests: Coyle's three skills of safety, vulnerability and purpose, and their limits.
9 min read≈ 2,060 words5 questions
EssayPhilosophy
Beyond Analytics: Why a Human Being Is More Than a List of Parts
Science can list every element and cell in your body. This essay asks what that list misses, from your gut bacteria to the air you breathe.
5 min read≈ 1,180 words