Cai Gao Ba Dou (has eight decalitres of talent)
Cao Pi and Cao Zhi were sons of Cao Cao. Both were very gifted writers, and Cai Zhi was especially quick-witted.
After Cao Cao's death, Cao Pi took over the throne of the kingdom of wei. Jealous of Cao Zhi's literary ability, and afraid the he might cause problems, Cao Pi was always looking for a way to kill his brother. One day, Cao Pi called Cao Zhi into see him. He ordered his brother to make up a poem with in the time it took to walk seven steps, adding that if he could not, his life would be in danger.
Greatly saddened, Cao Zhi began to walk and to think. Before he had taken the seven steps, he had already finished his poem, the meaning of which was: "Brothers are of the same family, so why should the oppress each other?"
Cao Zhi was very intelligent and loved to study. He wrote many outstanding articles which showed his artistic talent and earned him the admiration of many people. One scholar said of him: "Heaven gave the world ten decalitres of talent, and Tsau Jr alone has eight of them."
Today, to say that a person "has eight decalitres of talent" is to say that he has a great aptitude for writing.