Habit is habit, and not to be flung out of the window by any man, but coaxed downstairs a step at a time.
个人的行为并非以社会福利最大化为目标。
The best ideas often come from the people closest to the problem.
怎么会有不用同道的人而只用与自己意见相同的人的道理呢?
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
Farmers are the original environmentalists; we must support their work.