As follows:

1. In this world, who can be as happy as a businessman?

2. Where there are interests, people all over the world focus on it in order to pursue wealth and profit.

3. If you don't believe, people will be in danger; if you can't, the country will be in chaos.

4. If farmers have nothing to do with farming, they will have no happy life. Merchants can't live a happy life without buying and selling.

5. Everyone trusts each other and abides by the law.

6, casting integrity, everything is prosperous; Strict rule of law makes the country strong.

7. Farmers should trade surplus and deficiency with businessmen and get what they need, so that their lives can be convenient and profitable.