If a person does something to his face and does something behind his back, you should always be wary of whether he will stab you in the back when dealing with him. If you want to see if a person is a two-faced person, then you only need to ask him one thing that you know the cause and effect. If he is hiding something from you, then this person must not be a gentleman.
2. vertically, nothing has changed.
Some people are often duplicitous. They may have just talked to you in front and said all kinds of sweet words to you, but in the blink of an eye, they sold you for profit. This kind of person is also very good at spreading rumors against you behind your back. Therefore, we should be especially vigilant against such people. Therefore, when interacting with people, we should observe whether what they say on different occasions is consistent.
If you are rich, you will see what you have.
In this world, there will always be some nouveau riche who stink of copper and don't know where to spend their money. Even if such people know each other, they are just fair-weather friends. So observe a person, once he has money, it depends on how he spends it. If a person can remain frugal after getting rich, it shows that his character is not bad.
4. Suffering tests his ambition.
See if a person can stand the test and endure hardships. If you can, then this person must do something in the future.
Guiguzi
Guiguzi, whose real name is Wang Xu, also known as Wang Chan, is called Guiguzi. During the Spring and Autumn Period and the Warring States Period, the ancestral home of Chu people was in the south of Chao Ge (now Qixian). The ancestor of strategists in the Spring and Autumn Period and the Warring States Period, he is famous for his strange people throughout the ages. Guiguzi is proficient in mathematical astrology, military strategy, travel strategy, self-cultivation and vertical and horizontal techniques. He is good at self-cultivation, psychological speculation, deep understanding of the trend of combining rigidity with softness, familiarity with vertical and horizontal techniques and unique wisdom. Travel around and make friends.
He has been to Fufeng Chiyang (now Jingyang, Shaanxi Province), Yingchuan Yangcheng (now Dengfeng, Henan Province), Taibai Mountain (now East of Ningbo County) and other places, and then went to Yunmeng Mountain (west of Chao Ge15km) to give lectures in water curtain cave in seclusion, and founded the first military school in ancient China-"Warring States Army". His disciples are military strategists: Sun Bin, Pang Juan and Wei Liaozi; Military strategist: Su Qin, Zhang Yi, Mao Sui; Known as the Shang saint.