The real heroes are the ones who have the courage to say no.
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.
戏剧之所以能生存下来,是因为它是你保证能找到活人共处一室的地方。