How did Cao Cao decide that Liu Bei was a wise tiger who made great achievements?

Liu Bei is an uncle and has a good reputation.

Liu Bei is kind, and the so-called person who wins the hearts of the people wins the world, and Liu Bei has gained a lot of hearts.

Liu Bei has two ten thousand enemies, Guan Yu and Zhang Fei. Once he has a senior adviser, such as Zhuge Liang, he will take off.

Liu Bei is blessed, with big ears and emperors and princes;

Liu Bei is ambitious and never gives up. He started as a soldier and became an emperor in a down-to-earth manner!

Liu Bei worked very hard and was loyal to the Han Dynasty. Many people followed him, such as Tao Qian to Xuzhou and Liu Biao to Jingzhou.