He who rashly tells the truth in small matters cannot be trusted in big matters. [Name] Albert Einstein (Jewish theoretical physicist)

Positive and unsatisfied are the first conditions for progress.

Edison

In an instant, strength lies in strength, and in a thousand years, success or failure is reasonable. Cao Yu

The pursuit of truth is more valuable than the possession of truth. Lessing

A hundred gold buys a horse, and a thousand gold buys a beauty; Where can I buy youth if I buy a senior official? Qu Yuan

A wise man learns knowledge from his enemies. Aristophanes

If there is any accidental opportunity for scientific discovery, then this "accidental opportunity" can only be given to educated people, people who are good at independent thinking, people who have perseverance, and not to lazy people. Hua

The method of reading is gradual, practice makes perfect and thoughtful.