* It’s impossible to have a detailed discussion about outcomes and learning without going into detail on what’s luck and what’s skill (and what’s a combination), which I do when necessary. For a treatment that more fully explores the differences between skill and luck, I recommend Michael Mauboussin’s The Success Equation: Untangling Skill and Luck in Business, Sports, and Investing, along with other sources cited in the Selected Bibliography and Recommendations for Further Reading.