--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/39358474.md" description: "The sexiest thing in the 21st century should be the brain—the person who constantly iterates on themselves.Requirement: Possess five major thinking systems—economics, politics, history, philosophy, and military—to help understand complex reality.Today, let's first get the economic thinking part down.1. All resources are limited; choice itself is a cost.2. Compound interest is not a miracle, but a conspiracy between time and record-keeping. When reviewing, think: if I hadn't moved this year, would the return have been more comfortable?3. Returns never come from diligence, but from the right structure.4. Only by understanding supply and demand can you grasp price and opportunity.5. Cash flow is more important than face; sustainability is more important than explosive power.6. The market always rewards efficiency, not emotion.7. Economic cycles don't disappear; they just replay in different ways.8. Only those who can calculate the accounts clearly deserve to talk about long-termism.(I'm lacking in this point, still learning. The 🦁 loves to go all in too much.)Finally, health comes first 😂 When you focus too much on the macro world,you clearly feel that the lack of grip is due to insufficient attention to your own reality.Do more things to enhance personal sensitivity, like exercise, writing, etc.$Tradr 2X Long Lite Daily ETF(LITX.US)$Micron Tech(MU.US)$Lumentum(LITE.US)$AXT(AXTI.US)$Tradr 2X Long Sndk Daily ETF(SNXX.US)" datetime: "2026-03-19T03:48:40.000Z" locales: - [en](https://longbridge.com/en/topics/39358474.md) - [zh-CN](https://longbridge.com/zh-CN/topics/39358474.md) - [zh-HK](https://longbridge.com/zh-HK/topics/39358474.md) author: "[佩宁渊瑾财商成长系](https://longbridge.com/en/profiles/17154496.md)" --- # The sexiest thing in the 21st century should be th… ### Related Stocks - [LITX.US](https://longbridge.com/en/quote/LITX.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [LITE.US](https://longbridge.com/en/quote/LITE.US.md) - [AXTI.US](https://longbridge.com/en/quote/AXTI.US.md) - [SNXX.US](https://longbridge.com/en/quote/SNXX.US.md) ## Comments (5) - **REVTAU · 2026-03-19T16:23:45.000Z**: It's tough, I'm short on SanDisk and Intel and it's tough, I'll take the loss, starting tomorrow I'll go long, - **三牛兄- · 2026-03-19T10:09:00.000Z**: Learn from Teacher Pei - **明Mark · 2026-03-19T05:41:53.000Z**: Teacher Pei, I didn't go to the four provinces of Shanxi, Shandong, Henan, and Hebei. - **佩宁渊瑾财商成长系** (2026-03-19T05:44:18.000Z): Seems like I've been to 1 or 2 of them, didn't check in when eating hahahaha🤣😂🌝 Some places I didn't like that much, just go with the flow.