If you are bad, you will not only shame your ancestors, but also harm your descendants.

2. Parents are unfilial and it is useless to serve God.

all the virtues's filial piety comes first. No matter how much you admire the gods, if you are unfilial to your parents, all your piety will be eclipsed.

3. It's no use making friends if brothers don't get along.

If brothers and sisters don't cherish it and can't make friends harmoniously, why should they make friends?

4. It's useless to study if you don't behave properly.

If you are full of books of sages, you are a college student in knowledge but a pupil in character, it's a waste of reading poetry books!

5. It's useless to be smart if you act perversely.

There is a saying that people are afraid that you are extremely smart, but they are afraid that you are unreasonable. Learn to be a man before seeking wisdom.

6. It's useless to be knowledgeable.

If erudition is the basis of boasting, your heart is arrogant and arrogant, even if you know astronomy, what good is it to know geography?

7. It's useless to ask for something at a bad time.

Man proposes, God disposes, and it's not only useless, but also harmful. Learn to bide your time and don't be bold.

8. It's useless to take money from others.

It's really despicable to fill one's own pockets first and then substitute flowers for trees to gain good names!

9. At the expense of vitality, medicine is useless

How to nourish qi? Only desire. If you indulge in sex, it will hurt your health even more. Although it is a panacea, it is useless to take it.

1. It is useless to indulge in lewdness and lust.

If you indulge in luxury, it is useless to do good and accumulate virtue. Lead by example, be strict with yourself, and start from hard work and simplicity, so that you can reach people first.