
For people who
Charlie Munger borrowed heavily from physics when he insisted on thinking in 'inversions' — instead of asking how to succeed, ask what would guarantee failure, then avoid it. Applied to product decisions: don't ask what features users want. Ask what would make them definitely stop using your product, then make sure none of those are true. Most strategic errors aren't failures of vision; they're failures to clearly see the obvious ways you're losing.
What would make your best customers quietly stop using your product or working with you — and are any of those things quietly happening right now?
Decision Theory — Charlie Munger
Tell us what you're curious about and we'll do the rest.
What makes this different
We don't pull from a quote database. We weave your interests together to surface insights neither topic would produce alone.
Inversion — Charlie Munger's favorite mental model — transforms how you build product roadmaps. Instead of asking 'what should we build next?', ask 'what would guarantee this product fails?' The features you'd never ship become guard rails. The assumptions you'd never test become your biggest risks. The best PMs don't just prioritize what to do — they systematically eliminate what not to do.
What's one assumption in your current roadmap that you've never tried to disprove?
Decision Theory × Product Strategy
These are examples. Sign up and yours will be crafted from scratch, every morning.
Sound familiar?
You’ve saved the bookmarks, bought the books, saved the threads — but none of it surfaces when you actually need it.
We distill the best ideas into a single daily nugget, timed for your morning so it’s top-of-mind when it matters.
Most mornings start with email, news, and notifications — reactive, not reflective.
Your nudge arrives before the noise. One grounded thought and a question to sit with, not another thing to react to.
Self-help advice is either too vague to act on or too generic to feel personal.
Every nugget is crafted around your specific interests — drawing from real thinkers, not recycled platitudes.
You’re already reading the right books. But the ideas stay in the book.
We pull from the same thinkers you respect and cross them with your work — surfacing insights that show up in decisions, not just highlights.
Tell us what interests you — stoicism, leadership, mindfulness, parenting — in your own words.
Each morning, we draw from philosophical traditions worldwide to create a nugget tailored to you.
A brief, grounded insight and a reflection question arrive in your inbox. No fluff, no platitudes.
From the archive
Trusted by founders, operators, and thinkers who've outgrown generic content.
In 1962, Thomas Kuhn noticed something that should have been obvious but wasn't: scientists don't abandon a flawed theory when evidence contradicts it. They add patches,...
What's one mental model you're currently defending with exceptions — and what would you have to admit if you discarded...
Read more →
Gabriel Tarde's near-contemporary, the sociologist Georg Simmel, noticed something peculiar about fashion in 1904: it moves in two directions simultaneously — upward imitation and...
Name one specific customer segment or user type that was loud about your product 18 months ago and is now silent. What...
Read more →
Every culture that has thought carefully about fatherhood eventually arrives at the same uncomfortable question: what are you actually transmitting? Ibn Khaldun — the 14th-century...
If your child could only describe you by what they've *seen you do* this week — no words, no intentions — what...
Read more →
Paracelsus, the 16th-century Swiss physician-alchemist, made an observation that cut against every medical orthodoxy of his era: 'The dose makes the poison.' He meant it literally...
Which habit in your health routine are you defending with evidence about why it's good — rather than noticing whether...
Read more →
Drawing from traditions across the world
“The unexamined life is not worth living.”
— Socrates
Start each morning with an examined thought. Sign up above— it's free.