The years that don't look like anything are the ones that matter

Robert Greene calls it the Apprenticeship Phase — a stretch of roughly five to ten years, usually in someone's late teens through twenties, that produces no visible achievement at all. In Mastery (2012), he argues this is exactly why it's overlooked: biographies skip to the breakthrough, but the mind and character doing the breaking through were assembled earlier, in years that generate no story.

Greene's case study is Michael Faraday, born to a blacksmith with no path to a laboratory education in early-1800s England. Faraday talked his way into an apprenticeship as a bookbinder — not a scientific job at all, but one that put him inside a room full of books he was allowed to read while he worked. One of those books described how the brain actually learns: by doing, not by passively absorbing. Faraday started running his own experiments on the ideas he read, years before anyone paid him to be a scientist.

Greene's rule for choosing where to spend those years is counterintuitive: pick the option that maximizes what you'll learn, even against your instinct to take the higher-paying, more comfortable one. The apprenticeship isn't preparation for the real work. It quietly is the work — you just can't see it happening while it's happening.

Mastery doesn't arrive with an announcement. By the time it's visible, it's already ten years old.