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Pain plus reflection equals progress
Pain arrives involuntarily and eventually fades. The step that can be skipped is reflection, and people who skip it can stay hung up in the pain instead of moving through it.
The habit that helps is an instinctive reaction to pain: this is a lesson in reality. Curiosity takes over from there, asking what the pain shows about how reality works and how to deal with it in the best possible way. Solving that puzzle yields a gem, and the gem is a principle.
Those reflections turn out to be cause-and-effect relationships: if this happens, do that. Dalio wrote them down as thoughts and circumstances came up, and he put them into computer code. That is how he built Bridgewater's computerized decision systems for markets. After about 35 years of doing it, he had thousands of written principles for decisions ranging from what the Fed does to what happens when someone you love dies.
Why does dwelling on pain keep it going?
Psychologist Susan Nolen-Hoeksema studied rumination, the habit of replaying distress passively without moving toward a solution. Her research found that rumination was linked to longer and more severe periods of low mood than active, problem-focused thinking. The difference lies in asking what can be learned and done, not why it feels so bad.
Can writing about hard events change how they feel?
Psychologist James Pennebaker ran experiments in which people wrote about difficult experiences for a few days. In several studies, those participants later reported fewer doctor visits and better mood than people who wrote about neutral topics. He proposed that putting an event into words helps people organize it into a coherent story.
How do if-then principles become code?
Systematic investing translates a rule such as 'when this condition appears in the data, take this position' into instructions a computer can check continuously. The rule is then tested on historical data to see how it would have performed in each past occurrence. Quantitative funds across the industry use this approach so that decisions follow written logic and not mood.
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