We know each other even if we are close to each other. - (Tang Dynasty) Wang Bo

We are both fallen people at the end of the world, so why should we have known each other before. - (Tang Dynasty) Bai Juyi

Don't worry about the road ahead because you are ignorant. No one in the world knows you. - (Tang Dynasty) Gao Shi

Nothing in the world is as pleasant as friends, and nothing as pleasant as friends is to talk about. - (Qing Dynasty) Pu Songling

The most important thing for people to know each other is knowing each other, and the most important thing for people to know each other is knowing their hearts. - (Spring and Autumn Period) Mencius

The friendship between gentlemen is as light as water, while the friendship between villains is as sweet as wine.

-(Warring States) Zhuangzi

Those who are close to vermillion are red, those who are close to ink are black. - (Western Jin Dynasty) Fu Xuan

Life is so precious that we know each other, so why use gold and money? - (Tang Dynasty) Li Bai

When making friends, keep your word. - (Spring and Autumn) Zixia

The friendship between commoners and clothes should not be forgotten. - (Tang Dynasty) Li Yanshou

A gentleman and a gentleman are friends who share the same path, and a villain and a villain are friends who share the same interests. - (Song Dynasty) Ouyang Xiu

The joy of life lies in knowing each other. －(Song Dynasty) Wang Anshi