1. A person must use all his strength to improve himself and not waste his strength on anything else. ——Leo Tolstoy

2. With a life as clear as water and an honest character, no matter what class you are in, even the most evil-minded people will stand in awe. In Paris, true morality is as appreciated as a diamond or a rare treasure. ——Balzac

3. Law is revealed morality, and morality is hidden law. ——Lincoln

4. People should be wise in wisdom, morally innocent, and physically clean. ——Chekhov

5. A gentleman’s journey is to cultivate one’s character through tranquility and cultivate one’s virtue through frugality. If it is not indifferent, it will not clear its aspirations, and if it is not tranquil, it will not reach far. ——Zhuge Liang

6. Communism is not only manifested in the fields and sweaty factories, it is also manifested in families, around the dinner table, among relatives, and in mutual relationships. ——Mayakovsky

7. A law-abiding and conscientious person will not steal even if there is an urgent need. However, even if he gives millions of gold dollars to a thief, there is nothing he can do. I hope he will never steal again. ——Krylov