The man who wants to lead the orchestra must turn his back on the crowd.
The most common form of despair is not being who you are.
最好的音乐来自最黑暗的地方。
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.