Polanyi's Paradox

A man can ride a bicycle, recognize his daughter's face in a crowd, and tell a good joke from a bad one. Ask him to explain how — the exact rules, step by step — and he cannot. We know more than we can tell. This is Polanyi's paradox, and it quietly runs the world.

The bulk of human skill is tacit: held in the hands, the eyes, the timing — learned by doing, impossible to write down. Every master carries a library he cannot read aloud. This is why the recipe never tastes like the grandmother's version and why the manual never makes the craftsman.

The paradox has grown teeth in the age of machines: we can only automate what we can specify, and we cannot specify most of what we know. The irreplaceable part of your work is precisely the part you cannot explain.

Two lessons follow. To learn a tacit skill, stop reading about it — apprentice yourself to it; watch, copy, do. And when someone insists a job is simple because it cannot be articulated, remember the bicycle. Unsayable is not the same as easy. Usually it is the opposite.