1. Moral acquaintances are pure; acquaintances with interests, although sometimes giving small favors to people, are always primarily for profit. Just like the hunter who gives food to the animals, he is not showing favor, but intending to gain profit.

2. The friendship between gentlemen is based on morality, and the friendship between villains is based on power. Snobbery changes because friendship is sometimes possible, and moral friendship changes when friendship is unavailable.

3. All flesh and blood have a competitive spirit, so benefits cannot be overpowered, and thinking about justice is the best solution. Righteousness is the foundation of benefit.

4. If you welcome others with good demeanor, you will be as close as brothers; if you welcome others with evil demeanor, it will harm the enemy.

5. Proper etiquette is used to perform righteousness, righteousness is used to generate benefits, and benefits the common people, which is a major part of government. Zuo Zhuan

6. When Yu broke through the river, the people gathered in rubble. The deed has been accomplished, the work has been accomplished, and it will be beneficial to all generations. What Yu saw was far away, but the people did not know it. Therefore, the people could not start with care, but could be happy and successful.

7. Be careful when arguing about justice and benefit, and be strict in your introduction. Right and wrong come from many mouths, so be careful and keep your mouth shut.