1. Let others live a more comfortable life. It does not matter if you are not happy. It is also comfortable to see others live a happy life. ——Lu Xun
2. What is happiness? She looked at me with a hint of provocation. ——Baby Anne
3. Foolish people look for happiness in the distance, while smart people sow happiness under their feet. ——James Oppenham
4. In order to live happily, we should believe in the possibility of happiness. ——Leo Tolstoy
5. If pain is exchanged for knowing the truth and adhering to the truth, you should consciously and happily bear it. Then, and only then, will the pain turn into happiness. ——Zhang Zhixin
6. Science is by no means a selfish pleasure. Those who are fortunate enough to devote themselves to scientific research should first use their knowledge to serve mankind. ——Marx
7. No matter how difficult the struggle for happiness is, it is not a pain, but a joy, not a tragedy, but a drama. ——Chernyshevsky
8. What a magnificent cause it is to work for the happiness of mankind, and how great this purpose is!——Saint Simon
9. Happiness built on the pain of others is not real happiness. ——A. Babaeva
10. The greatest happiness for the greatest number of people is the basis of morality and legislation. ——Bentham
11. When a person plans exclusively for himself, his desire to pursue happiness can only be satisfied in very rare circumstances, and it is never beneficial to himself or others. ——Engels
12. There is a reliable way to obtain happiness, which is to control your thoughts. Happiness does not depend on external circumstances, but on internal circumstances. ——Carnegie
13. A happy life must be a quiet life to a large extent, because real happiness can only exist in a quiet atmosphere.
——Russell