To put it simply, according to the whole situation at the end of the Han dynasty, it was like a scuffle between warlords in the modern Republic of China. If you want to win the world, you must strengthen your own strength. Fish in troubled waters is to strengthen yourself. At that time, Liu Bei's own strength was weak and Cao Cao's strength was the strongest. In order to win the world, chaos is a necessary condition. If Cao Cao had stabilized the world at that time and Liu Bei wanted to develop his own team, it would be difficult to achieve it. So it was Cao Cao who sought stability and peace at that time, and Liu Bei who sought war chaos.