Goodhart's Law, Inspired by Curiosity & More

When metrics become goals, they destroy the very systems they were designed to measure. Goodhart's Law — "When a measure becomes a target, it ceases to be a good measure" — captures this fundamental corruption of measurement.

The mechanic is predictable. Sales teams, rewarded by volume, push unprofitable deals. Teachers, measured by test scores, abandon deeper learning for test preparation. Software engineers, tracked by lines of code, write verbose, inefficient programs. The metric optimizes itself at the expense of the underlying objective.

Goodhart's Law exposes the gap between what we want to achieve and what we choose to measure. Organizations implement metrics to drive behavior, then watch those metrics become the behavior itself.

Consider the car salesperson evaluated purely on units sold. They'll move inventory at any margin — even at a loss — because the measurement system rewards quantity over profitability. The metric becomes divorced from business value.

This isn't stupidity. It's rational response to incentive structure. People optimize for what gets rewarded, not what gets intended.

Curiosity operates differently. It resists commodification because it emerges from genuine interest, not external reward. Where metrics create tunnel vision, curiosity creates peripheral vision — the ability to notice adjacent possibilities.

The most productive approach: generate five specific questions about any topic that genuinely interests you. Not broad queries ("How does business work?") but precise investigations that pull you forward. How does the brain consolidate memories during sleep? How do different cultures structure their origin stories? How might technology reshape education delivery in rural areas?

Research becomes exploration when driven by authentic questions rather than prescribed outcomes.

Benjamin Franklin understood compound effects before they had a name: "Beware of little expenses; a small leak will sink a great ship." Small inefficiencies, compounded over time, create systemic failure.

This applies beyond finance. Small compromises in judgment compound into poor decision-making. Small gaps in systems compound into operational breakdown. Small erosions of trust compound into relationship failure.

Franklin's insight works in reverse. Small improvements, sustained consistently, compound into transformative advantage. The discipline lies in tracking the small leak, not just the dramatic rupture.

Most learning obstacles aren't knowledge gaps — they're permission gaps. The skill you've avoided isn't blocked by complexity but by the stories you tell yourself about capability, time, or worthiness.

What small step could you take today? Not the grand plan, not the perfect conditions, not the ideal timeline. The next smallest possible action that moves you from thinking about learning to actually learning.

The breakthrough often occurs in the gap between thinking and doing, not between not-knowing and knowing.

The fable of the Lion, the Ass, and the Fox hunting demonstrates the highest form of learning: extracting lessons from others' mistakes without experiencing the consequences personally.

The Ass divided the spoils equally among three hunters of vastly different power. The Lion killed him for this miscalculation. When asked to divide the same spoils, the Fox kept almost nothing, giving the Lion nearly everything. Asked who taught him such wisdom, the Fox replied he needed no teacher beyond the Ass's fate.

This is pattern recognition accelerated. Most learning happens through direct experience — slow, expensive, often painful. Strategic learning happens through observation — fast, cheap, and considerably less painful.

The Fox understood power dynamics, read the situation accurately, and adjusted behavior based on observed consequences rather than lived ones. That's the efficiency of vicarious learning.

The challenge: developing the Fox's observational discipline while avoiding the Ass's naive assumptions about how the world works.