When a person is young, if he can't think, he will accomplish nothing.

3. A person will feel useful and comfortable only after going through difficulties first and then stepping into wealth.

Nothing really valuable in the world can be obtained without hard work.

Honor is a good quality, so only those noble, positive and well-educated people have it.

6. Failure is what I need, and it is as valuable to me as success. Only when I know the bad method can I know what the good method is.

7. Books are the legacy of genius, handed down from generation to generation, and even more, they are gifts for the unborn.

8. If I have more or less inspired the efforts of some people, and our work has more or less expanded the scope of human knowledge, thus adding a little joy to the world, then I will be satisfied.

9. Good character is more valuable than gold. The former is a natural gift, while the latter is a gift from fate.

10. Anyone who wants to spend his old age in honor and comfort must think that he will grow old one day when he is young; In this way, when he is old, he will remember when he was young.