Teach Yourself Anything in Ten Years of Deliberate Practice

September 13, 2023

There are no shortcuts to expertise. Ten years of deliberate practice not ten years of passive experience is the consistent finding across every domain studied.

"True expertise may take a lifetime. Samuel Johnson (1709-1784) said: 'Excellence in any department can be attained only by the labor of a lifetime; it is not to be purchased at a lesser price.'" Peter Norvig

Peter Norvig's "Teach Yourself Programming in Ten Years" cuts against the grain of every "Learn X in 24 Hours" book. The research is unambiguous: across chess, music, sports, and science, the path to mastery requires roughly a decade of structured, effortful work. The critical modifier is "deliberate." Merely doing something for ten years coding without reviewing, writing without revising, playing without analyzing produces ten years of mediocrity. Deliberate practice means challenging yourself with tasks just beyond your current ability, analyzing your performance, correcting mistakes, and repeating.

Scott Young's concept of ultralearning captures the intensity dimension: "Passive learning creates knowledge. Active practice creates skill." The distinction matters enormously. You can read every book on programming without becoming a programmer. Skill requires doing, failing, adjusting, and doing again. The best kind of learning, as Young's sources confirm, is learning by doing with "informative feedback, and opportunities for repetition and corrections of errors."

The emotional dimension is equally important. Paul Graham observes that "great work happens by focusing consistently on something you're genuinely interested in." Interest sustains you through the unrewarding early years when the exponential curve feels flat. Norvig captures the disposition required with a quote from Ratatouille's Gusteau: "Anyone can cook, but only the fearless can be great." Fearlessness here means willingness to devote a large portion of your life to deliberate practice without guaranteed outcomes.

Takeaway: Accept the ten-year timeline, focus your practice on the specific weaknesses that make you uncomfortable, and let genuine curiosity be the fuel that sustains you through the plateau.