Principle 10

Leave systems better than you found them.

The point of the work is not activity. It is durable improvement.

Explanation

Good work improves the system’s ability to produce better outcomes after the immediate task is complete.

Example

Fixing one regression matters; improving the measurement and ownership process that prevents the next regression creates durable value.

Practical implication

Deliver the fix, the evidence, and the capability that helps the next person maintain the improvement.