The key to successful market design is anticipating how participants will behave under different rules.
The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.
I don't think I'm a bad person. I just have a bad lifestyle.
地理學(xué)的研究是研究人與環(huán)境之間的關(guān)系。
不理解一個人，就往往會把他當(dāng)成傻瓜。