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American PragmatismJohn Dewey (Experience and Education, 1938)

Pragmatist philosopher John Dewey made a distinction that most parenting advice quietly ignores: the difference between *having* an experience and *learning* from one. His...

Pick one recurring friction point with your child. How many times have you been through it? What principle — usable,...

American PragmatismJohn Dewey (How We Think, 1910)

Pragmatist philosopher John Dewey made a distinction that most builders of mental models never apply to themselves: the difference between a habit of mind that organizes...

If you stripped away every model, framework, or prior conviction you brought into your last major business decision,...

American PragmatismCharles Sanders Peirce (The Fixation of Belief, 1877)

Psychologists studying memory consolidation have found something quietly unsettling: the moment you feel most certain you've understood something is often the moment your brain...

Who in your life consistently refuses to let you feel more certain than the evidence warrants — and when did you last...

American PragmatismWilliam James

Nineteenth-century American philosopher William James made a distinction that almost nobody applies to their own development: the difference between a habit of *thought* and a...

Think of one self-improvement effort you've sustained for more than two weeks — what story does your inner narrator...

American PragmatismCharles Sanders Peirce

A mental model is not just a belief you hold — it is also a belief that holds you in place. The 19th-century American pragmatist Charles Sanders Peirce noticed something his...

For one mental model you'd call central to how you operate — what specific experience would actually be enough to make...

American PragmatismJohn Dewey

Every mental model you trust was built by someone who couldn't see the future — only a particular past. The American pragmatist John Dewey noticed something uncomfortable about...

What mental model are you most fluent in — and what category of problem does it consistently make invisible to you?

American PragmatismCharles Sanders Peirce (The Fixation of Belief, 1877)

Pragmatist philosopher Charles Sanders Peirce drew a sharp distinction between two kinds of beliefs: those that merely feel settled and those that actually are settled — meaning...

Name one belief your team treats as resolved — something nobody debates anymore. What was the last actual event that...

American PragmatismWilliam James (The Will to Believe, 1897)

Every mental model you trust implicitly has a hidden load-bearing assumption — one that felt so obvious when you built the model that you never wrote it down. William James...

What would change in how you operate today if your most trusted mental model turned out to rest on an assumption that...

American PragmatismJohn Dewey (Experience and Education, 1938, on 'funded experience' and the dangers of uncritical reliance on past learning)

Achievement tends to accumulate a specific kind of blind spot: the more you accomplish, the more your mental model of what-works becomes load-bearing infrastructure you no longer...

Name one method or habit that produced a major result for you more than two years ago and that you've never seriously...

American PragmatismCharles Sanders Peirce ("The Fixation of Belief," 1877; "How to Make Our Ideas Clear," 1878)

Every checklist a pilot runs before takeoff is, in one sense, an insult to expertise — a suggestion that someone with thousands of hours of flight time might forget to check the...

What do you handle from memory that you once had a procedure for — and what has that cost you quietly?

American PragmatismWilliam James (The Will to Believe, 1897)

Pragmatist philosopher William James made a distinction almost no one in product development quotes: the difference between 'live' and 'dead' hypotheses. A live hypothesis is one...

What is the last product bet your team *said* it believed in — and what would it have meant to actually wager something...

American PragmatismWilliam James (Pragmatism: A New Name for Some Old Ways of Thinking, 1907)

Every mental model you trust was built from evidence that no longer exists. The American pragmatist philosopher William James made a disturbing observation about this in his 1907...

For your most-used financial model right now: what specific conditions made you originally trust it, and are those...

PragmatismWilliam James

William James, the father of American psychology, noticed something his colleagues missed: belief and action don't flow in one direction. Most people assume you act because you...

Name one specific thing you've been postponing until you 'feel like it' — and what the smallest possible first action...

American PragmatismCharles Sanders Peirce (The Fixation of Belief, 1877)

Every mental model is a lossy compression — it sacrifices detail for speed. That tradeoff is the point. But the American pragmatist philosopher Charles Sanders Peirce noticed...

What belief about your market, your users, or your team feels so settled it never comes up in meetings anymore — and...

PragmatismWilliam James

Every mental model you rely on was built during a period when it worked — and that's exactly why it becomes dangerous. The pragmatist philosopher William James argued that ideas...

Pick one framework you've used repeatedly this week — what situation originally taught you to rely on it, and is that...

American PragmatismJohn Dewey (1859–1952)

Public discourse has a memory problem — not amnesia, but something stranger: the past gets remembered, just with the wrong emotional temperature. The pragmatist philosopher John...

Name one current story you have a firm opinion on — then trace back to the moment you formed that opinion. Has the...

PragmatismCharles Sanders Peirce

Cognitive scientists call it 'model blindness' — the point at which a mental framework stops being a tool you use and starts being a lens you can't remove. Martin Seligman's early...

In the last 48 hours, which decision did you make on autopilot — and what model of the situation were you running...

American PragmatismWilliam James (Pragmatism, 1907)

Dead reckoning — the practice of navigating by calculating where you must be based on your last known position, heading, and elapsed time — was the backbone of aviation before...

Name a decision you made last week by reacting to what you saw — versus one you made by first committing to what you...

American PragmatismCharles Sanders Peirce — 'The Fixation of Belief' (1877) and 'How to Make Our Ideas Clear' (1878)

Every mental model you hold was built from a sample — and samples have edges you stopped noticing the moment the model started working. Charles Sanders Peirce called this 'the...

Think of the mental model you rely on most in a crunch — the one you reach for automatically. Can you name the last...

American PragmatismCharles Sanders Peirce (Illustrations of the Logic of Science, 1877–1878; 'Abduction and the Logic of Hypothesis')

Peirce's razor cuts differently than Occam's. Where Occam says prefer the simpler explanation, Charles Sanders Peirce — the 19th-century American logician who founded pragmatism —...

What is the strangest, most persistent friction point in how you work — and what single hypothesis, if true, would...

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