1, before you want to climb to the top of science, you should learn the elementary knowledge of science. If you don't fully understand what is ahead, you should never start the work behind. -[Ancient Greece] democritus: Pieces of works.

2. What you have learned for a long time will not be easily forgotten. -[Ancient Rome] seneca: trojan women.

3. If you want to consolidate the ideas you have mastered, you must look forward to digesting their works among a limited number of thought masters. -[Ancient Rome] Seneca: A letter to Lucius.

4. Concentrate on studying a wide range of arts, which will make people's character full of human feelings. -[Ancient Rome] Ovid: Letter to the Black Sea.

For smart people and literate people, knowledge is more and more intense with the growth of age. -[Ancient Rome] Cicero: On old age.

6. It is absurd and shameful to wait until later in life to learn basic knowledge; Young people should accumulate knowledge and old people should use it. -[Ancient Rome] Seneca: A letter to Lucius.

7. People will do stupid things if they don't study; Housing and land are good, but it is better to study. -[English] garrick: Preface to Begging on Kneeling.

8. Learning is our personal property. No matter where we are, our study is with us. Shakespeare: The futility of love.

9. A little knowledge is dangerous. -[English] Pope: Criticism.