In the field of investment, the greatest mistake a person can make is not determined by intellectual level, but rather influenced by human nature. The success or failure of investments often depends on how we control our human nature. The key is to establish a trading system that won't be easily broken and to adhere to these rules during trading. We should only act when we find investment conditions that meet these standards. Once we bridge the gap between knowledge and action, it is equivalent to finding the key to a higher level of thinking space, which means opening the door to profit.

This is a natural law and also the regularity of investment.