City
Making choices is hard because we almost never have complete facts. Success requires us to act on partial information and know the difference between a solid fact and an educated guess. Confusing the two leads to poor decisions and breaks trust.
To evaluate a situation accurately, we must understand what our data cannot tell us. Donald Rumsfeld popularized a cognitive framework for this problem by sorting knowledge into three categories. Known knowns are verified facts. Known unknowns are acknowledged gaps where we must rely on probabilistic analysis. The greatest dangers come from unknown unknowns, which are the complete blind spots we do not realize we are missing.
When we present a known unknown as a certainty to secure buy-in, we conceal critical risk. When that guess inevitably fails, our credibility collapses because the uncertainty was hidden.
Judging past decisions using today’s information is equally flawed. A decision should only be evaluated against the information available at the exact moment we made it. Evaluating the rigor of our decision process rather than relying on hindsight leads to fairer assessments in unpredictable environments.
Because conditions change, static plans eventually fail. Dwight Eisenhower highlighted this reality when he noted that plans are worthless, but planning is everything. A plan often falls apart upon contact with reality, but the mental exercise of planning allows us to adapt quickly when our initial assumptions fail.
Good assessment processes rely on a few consistent habits:
Draw a clear line between verified facts and analytical guesses.
Share known risks openly with all stakeholders.
Treat early conclusions as starting hypotheses rather than final answers.
Update evaluations continuously as new information arrives.
Evaluating a situation is not about predicting the future with absolute certainty, but about recognizing the limits of our knowledge. By treating planning as an ongoing habit rather than a one time activity, we can handle unexpected turns while maintaining trust.