As the saying goes: Without rules, there would be no Fiona Fang. What does this sentence mean?

Used to persuade people to consciously abide by laws and regulations. Its original intention is that there is no way to draw circles and squares without compasses and rulers. The original meanings of the words "gauge" and "moment" are two tools used by carpenters to correct circles and squares in the past. Gauges are compasses, and moments mean "bending ruler", not bending ruler. They are often used by carpenters who come to work. They are things bigger and smaller than that symbol, and always form an angle horizontally. In adolescence, everyone pursues the development of individuality and freedom. However, freedom is relative, and English also says that "freedom is not freedom." Freedom is not free. Xiang Yu was able to carry the tripod and win the title of the three armies, but because of his arrogance, he committed suicide on the Wujiang River. Fan Li, a doctor in Vietnam, knows the importance of self-control. After the death of Wu, he did not take credit, but retired to his hometown and enjoyed his old age. It can be seen that people should learn self-discipline or accept external constraints while publicizing their individuality, so as to achieve a win-win situation. Not only won the development of personality, but also gained wisdom. In today's legal society, it is important for everyone to know and abide by the law and conduct their own personal conscious behavior within the framework of the law. Law is now the yardstick of people's activities, the so-called rules. Only when people are active within this framework can they realize their Fiona Fang.