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40 things I’ve learned in my 40s
A synthesis of key insights from forty years of life-experience research
3 min readMay 6, 2025
“Life really begins at forty. Up until then, you are just doing research” — Carl Jung
- Health, relationships, and wealth — in that order
- Doing something at 100% is easier than doing it at 99%
- The top 1% do what 99% are unwilling to do
- A good day starts the night before — a good life starts in the morning
- Meditate, read, write, exercise, and create something every single day
- Big results come from simple habits known by many but practised by few
- Cheap dopamine hits come at a high cost
- Choose carefully what you feed your body, mind, and calendar
- Your body, mind, and spirit are always talking — listen closely
- Listening isn’t free — you must pay attention
- Thought is what you have; thinking is what you do — have more by doing less
- Most solutions come from removing the problem, not adding more effort
- The right choice often feels right but looks wrong