Every trainee is told about the 10,000-hour rule, usually by someone who has never counted. The uncomfortable truth, once you have logged a few thousand of your own, is that the hours are not linear. The first hundred change you completely. The next thousand refine you. After that you are grinding for increasingly small crumbs — and nobody warns you about the stretch where it feels like you have stopped improving entirely.
Feel the curve
Drag the slider. Early practice buys steep, obvious gains; later practice buys a polish you can barely measure from the inside. The plateau is not a wall — it is simply the part of the curve where the line goes nearly flat, and where most people quietly mistake slow for stuck.
The clinical version is sharper than the hobby version. The gap between a surgeon at 200 cases and 2,000 is enormous and visible. The gap between 2,000 and 20,000 is real but subtle — it shows up in the rare case, the bad day, the unexpected finding, not the routine list. Which is exactly why deliberate practice on your weaknesses beats logging more of what you are already good at.
An expert is a person who has made all the mistakes which can be made in a very narrow field. — Niels Bohr
How to read this
Two things the curve hides. First: the plateau is where judgement is built, even when skill looks flat — you are learning what not to do, which the line never shows. Second: the curve resets every time you take on something genuinely new. Comfort is the enemy of the steep part; it only exists at the edge of what you cannot quite do yet.