1/ Missing any opportunity to enter the market during a bull market is often due to one's insufficient understanding. There are plenty of money-making opportunities; it's crucial to continuously improve oneself.

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2/ In the book "Entrepreneurial History" by author Liu Qing: Although the journey of life is long, the critical moments often come down to just a few steps, especially when one is young.

3/ Bull Market: While there are many opportunities in a bull market, there are only a few chances for all-in moves, especially in the early stages of a bull market. It's essential to seize them well.