3 ideas
Instead of asking how to achieve a goal, invert the problem and ask how you might guarantee failure, then systematically avoid those paths. Preventing stupidity is often easier and more reliable than engineering brilliance, because the list of ways to fail is more concrete than the list of ways to succeed.
Every action produces a first-order effect, but also ripples of second- and third-order consequences that frequently dominate the long-term outcome and can reverse the apparent benefit. Decisions that look good in their immediate effect — like overusing antibiotics or subsidizing a behavior — often produce delayed downstream harm that the first-order view misses entirely.
Define the explicit boundary of what you genuinely understand, and make confident decisions only inside it while deliberately deferring or seeking help outside it. Trouble arises not from a small circle of competence but from misjudging where its edge actually lies and acting confidently beyond it.