OneSlide
Powerful ideas, one slide at a time. A curated collection of concepts worth remembering.
Recent Slides
Goodhart's Law
Not about archery — about any metric in any system. When you measure something to understand it, it stays true. The moment that measure becomes the target to optimize, it warps. Test scores stop reflecting learning. KPIs stop reflecting performance. The map eats the territory. Optimization corrupts the very thing it measures.
systems-thinking metrics optimization
The Perfect Problem
The ideal startup problem lives at the intersection of three circles - your Passion (what you're obsessed with), your Prowess (what you're great at), and real Pain (what people will pay to solve). A hobby lives in one circle. A career in two. A startup needs all three.
startups entrepreneurship frameworks
Two Sins of Fencing
Not physical fences — constraints on any system. Chesterton warned against tearing down a fence before understanding why it was built. But there's an equal and opposite sin: preserving a fence without questioning if it's still needed. One attack releases danger; one defense blocks opportunity. Both sins share the same root — acting without understanding.
systems-thinking chesterton frameworks
Finite vs Infinite Games
Finite games are played to win. Infinite games are played to keep playing. The goal shifts from victory to continuation, from defeating opponents to including them in the ongoing play.
games philosophy james-carse
Ultimate Behavior Change Brief
The ultimate behavior change brief, distilled from years of planning work. A framework for understanding what drives people to change: their current behavior, the behavior you want, what's in their way, and how to bridge the gap.
behavior change marketing
6 Dimensions of Love (According to the Greeks)
A good reminder that you might have more reasons for love than you think. The ancient Greeks identified six types: Eros (romantic), Philia (friendship), Storge (family), Agape (universal), Ludus (playful), and Pragma (enduring). Each a different dimension of the same profound human experience.
love philosophy greeks