Be greedy when others are fearful

Warren Buffett famously said: "Be fearful when others are greedy, and be greedy when others are fearful."

I think this sentence is easy to say, but it is not easy to do.

I think we should prepare for the worst before we start investing, so that we can face losses calmly. When losses occur, we may lose our footing, so good risk management is very important. My account losses continue to expand, what should I do?

Whether it is a bear market or a bull market, there is a lot of noise in the market, and we should try to avoid over-reliance on this information.Use some rational thinking methods, such as fundamental analysis of stocks and analysis of technical indicators to choose stocks.