John C. Bogle
Best investments
Notable wins and the lessons behind them.
Study success as a process
John C. Bogle's successful investments are often remembered for large outcomes, but beginners should focus on the process: what was observed, what was waited for, how risk was controlled, and why conviction could be maintained.
Identify the initial condition that created the edge.
Separate luck from skill.
Ask whether the lesson still applies in the current market.