Famous aphorisms expressing the dangers of the world include:

1. A good person will be bullied by others, and a good horse will be ridden by others.

2. As long as you understand human nature, don’t test it.

3. If you don’t fall, you don’t know who will help you. If you don’t break up, you don’t know who will help you.

4. Although the inflammation is warm, you will feel colder after warming; eating sugarcane can be sweet, but the remaining sweetness will cause bitterness.

5. Don’t be fooled by the idea that you will find little peace and happiness while sitting there. You must know that there is a lot of suffering in the world.

6. Lending money is like giving, and collecting debt is like asking for money. Complaining to ask for money is like touching the bottom of the sea for salt.