A friendship between gentlemen is as light as water, but a friendship between villains is as sweet as water. It means that a gentleman's friend has a proper distance between friends, but the hearts are close together. The friendship between villains is often stuck together and close together, but the hearts are separated and it is difficult to communicate. A friend of a gentleman says what should be said and does what should be done; Between villains, say what friends want to hear and do what friends want to do.

Language "Zhuangzi Miki": "The friendship between gentlemen is as light as water, and the friendship between villains is as sweet as ever; A gentleman is indifferent to his relatives, and a villain is willing to rest. " And this "Yi" is a kind of wine in ancient China, which is very sweet. It is an ideal realm of making friends, and people are encouraged to make efforts in this aspect in making friends. Although it can't reach that realm, it will eventually make friendship more pure. It's like not being able to enter the garden; By trying to get close to the garden, you can smell the fragrance of fish flowers and see the bright branches outside the wall, which can cultivate and delight your body and mind to a certain extent, which is much better than using each other by hook or by crook in pursuit of fame and fortune.