1. All self-interested lives are irrational and animal lives. ——Leo Tolstoy

2. Human reason destroys superstition, and human emotions will also destroy egoism. ——Heine

3. Investment must be rational. If you can't understand it, don't do it. ——Warren Buffett

4. Emotions overwhelm reason. This is the reason why evil occurs in the world. ——Greek tragedy writer Euripides

5. In order to maintain the reality of life when writing, Cao Xueqin would rather sacrifice a certain rationality of artistic fiction. ——Liu Xinwu

6. The difference between humans and animals is human reason, and hatred often clouds human reason.

——Former Soviet writer Troyepolsky