1. Even the most intelligent people cannot see their own back.?Africa 2.The most difficult thing is to know yourself.?Greece 3.Having the courage to bear destiny is a hero.?Hesse 4. Talk to brave people and read without words. Zhou Enlai 5. Reading makes people enriched, talking makes people agile, and writing makes people precise. Bacon 6. The greatest pride and the greatest inferiority both express the innermost feelings of the soul. Weak and powerless.? Spinoza 7. Self-knowledge is the rarest knowledge.? Spain 8. Courage leads to heaven, cowardice leads to hell.? Seneca 9. Sometimes reading is a clever way to avoid thinking .?Hulps 10. Reading all good books is like talking to the most outstanding people in the past.?Descartes 11. The only things that remain unchanged in the world are the truth that everything is constantly changing. ?Sri Lanka 12. Love is like a leaf, it turns green in people's neglect and reveals its buds in patience. ?He Qifang 13. I need three things: love, friendship and books. However, these three are so connected! Fiery love can enrich the content of books, and books are people's most loyal friends. ?Montaigne 14. God helps those who help themselves. 15. Truth is the lifeblood of life and the foundation of all values. ?Dreiser 16. Try to love someone. If you pay, you may not get anything; if you don’t pay, you won’t get anything. Don’t expect miracles. 17. Land is valued for its fertility and harvest; talent is also land, but it does not produce food, but truth. If it can only breed contemplation and fantasy, no matter how great your talent is, it will only be a sandy field or a salt pond, and not even grass will grow on it. ? Belinsky 18. New mathematical methods and concepts are often more important than solving mathematical problems themselves. ?Hua Luogeng 19. There are many hardships in life, so we should not be too sensitive to every slight injury. In the face of life's hardships, mental strength and indifference are our best weapons against evil and life's accidents. ? Locke 20. Friendship is the union of souls. This union can be divorced. It is a tacit contract between two sensitive and upright people. ? Voltaire

21. You must know that exaggerating the praise of good things will also arouse people's resentment, contempt and jealousy. ? Bacon 22. Work is better than hard work, and waste is more playful; action is achieved by thinking. Destroyed by casualties.? Han Yu 23. All savings, in the final analysis, boil down to saving time.? Marx 24. Will and destiny often run counter to each other, and determination will be overthrown in the end.? Shakespeare 25. Learning is labor, a labor full of ideas. ? Ushinsky 26. It is impossible to live a comfortable and happy life throughout life, because human beings must have an attitude that can cope with adversity. ? Rousseau 27. Only by turning the mood of complaining about the environment into progress Strength is the guarantee of success. Romain Roland 28. Those who know are not as good as those who are good, and those who are good are not as good as those who are happy. Confucius 29. Bravery, boldness and firm determination are worth the sophistication of weapons. Leonardo da Vinci 30. Will is a strong blind man, leaning on the shoulders of a sighted lame man. Schopenhauer