An important concept in economics is called "Only Rich Once". It states that 99% of people can only seize one opportunity for wealth accumulation in their lifetime, and most will eventually fall back into poverty.

If you observe closely over the long term, you'll find that many high-income earners often end up in financial trouble. There are two main issues: first, mistaking the era's dividends for personal ability, and second, desires exceeding actual capabilities.

Preserving wealth is harder than creating wealth. Common pathways to wealth destruction include: losing savings through gambling, going bankrupt due to drug addiction, blindly starting businesses and failing repeatedly, losing everything in stock or cryptocurrency markets, and property division due to extramarital affairs.

True wisdom is to have a clear understanding of one's ability limits, never to lose back the money earned through luck based on one's skills, to cash out at the right high points promptly, and to diversify investments to maintain stable returns in the long run.

Those who can control their desires are the ones who can ultimately master wealth.