The best leaders act on incomplete information, understanding that 100% certainty is a myth that only exists in hindsight. The inability to decide amid ambiguity—choosing inaction—is a greater failure than making the wrong call.

Long-term success isn't built on grand, singular actions. It's the cumulative effect of small, consistent, seemingly insignificant choices made over years that creates transformative results. Intense, infrequent efforts are less effective than daily, minor positive habits.

For an event with a 1-in-N chance of happening, if you try N times, the probability of it occurring at least once is roughly 63%. While this highlights the danger of repeated low-probability risks, it also applies positively. Consistently performing small, beneficial actions can compound to make eventual success almost a mathematical certainty.

Even a top-tier sales professional has a career pitch win rate of just 50-60%. Success isn't about an unbeatable record, but a relentless focus on analyzing failures. Remembering and learning from every lost deal is more critical for long-term improvement than celebrating wins.

Top tennis players like Rafael Nadal win only ~55% of total points but triumph by winning the *important* ones. This analogy illustrates that successful investing isn't about being right every time. It's about consistently tilting small odds in your favor across many bets, like a casino, to ensure long-term success.

When faced with imperfect choices, treat the decision like a standardized test question: gather the best available information and choose the option you believe is the *most* correct, even if it's not perfect. This mindset accepts ambiguity and focuses on making the best possible choice in the moment.

To avoid analysis paralysis in major life decisions like marriage or faith, adopt the Marine Corps' leadership principle: gather 80% of the necessary information, then make a choice and commit. Waiting for 100% certainty is a trap that paralyzes action and postpones happiness.

A founder's retrospective analysis often reveals that delayed decisions were the correct ones, and the only regret is not acting sooner. Recognizing this pattern—that you rarely regret moving too fast—can serve as a powerful heuristic to trust your gut and accelerate decision-making, as inaction is often the biggest risk.

Success isn't about always winning, but about staying in the game long enough for odds to favor you. Ferriss argues any career or business system must be robust enough to withstand a period of severe misfortune. By not over-betting on any single project, you allow the law of large numbers to work in your favor over time.