? The god of food likes acting but doesn't care about his own performance. Wounded officials pay attention to the relationship between people. To study Zhouyi, the first thing to study is not things, but human nature. To study Zhouyi, the first thing to study is not things, but humanity.
? Externally sealed, overbearing, dedicated, like to help others but ask for something in return. Internal injury officials, representing management ability, are eloquent and like freedom, but internal injury officials are punished badly and hated by people who want to take care of others. Good eloquence becomes bragging, freedom becomes not listening to people and sticking to one's own opinions.
? This is to see human nature through the eight characters.