Practitioners should seek to improve the quality of their…
Practitioners should seek to improve the quality of their decision-making process, rather than focus on theoretical considerations.
— from Decisions & Choices (Decision/Choice/Focus/Forethought/Consequences) · Beyond Diversification by Sebastian Page
In the book
You control your actions; you do not control your results. A good decision can still turn out badly, and a reckless one can get lucky — so weigh yourself on the quality of your process, not merely on how it happened to turn out. Which leads to the third trap, the sunk cost: do not anchor today's choice to yesterday's spent effort or your wish to look consistent — feel free to have no attachment to your past decisions, and simply make the best of the situation you actually find yourself in now. — Decisions & Choices (Decision/Choice/Focus/Forethought/Consequences)