Therefore, a gentleman looks at loyalty from a distance, looks at respect from a close distance, is tired of looking at energy, is anxious to read knowledge, is anxious to read letters, trusts money to look at benevolence, is wary of danger, is drunk to look at the side, and is mixed with color.

-"Zhuangzi Lieyukou"

Colleagues have to examine it.

-"It's all over, Shang Lin said."

Good knows its evil, and evil knows its beauty.

-The Book of Rites University

Friendship is not known until you die; Poverty and wealth are a state of knowing each other; One is expensive and the other is cheap, and friendship can be seen.

-"Historical Records, Biography and Praise of Zheng Ji"

Xiang Ma is close to home.

-[reflection, Wei] Wang Su "Confucius family language"

There are seven ways to know people: first, look at their aspirations with right and wrong; Second, if you are poor, you can observe its changes through arguments; Thirdly, the consultant looks at his knowledge with the consultant's eyes; Fourth, tell them to look at their courage with disasters; 5. If you are drunk, you can observe your sexuality by drinking; Sixth, look at the benefits of the face and see its honesty; The seven-day period depends on the matter and its letter.

-"Three Kingdoms Shu" Zhuge Liang's "Jiang Yuan, Knowing Human Nature"