1. The road of art is full of thorns, which is also a good thing. Ordinary people are discouraged, except those with strong will.

2. Time is a constant, but also a variable. There are endless diligent people and endless lazy people.

3. The human brain is the same as the limbs. If you use it more, it will be effective, but if you don't use it, it will be useless.

4. Genius refers to people with perseverance, hard work, ecstasy and selflessness.

5. The sharp edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.

6. Invention is one percent cleverness and ninety-nine percent diligence.

7. Laziness is equivalent to burying a person alive.

8. No matter how fertile the land is, it will not produce fruit. People who don't study, no matter how clever, can't read.