Life does not ask what we want. It presents us with options.
Mathematics is a creative endeavor, just like art or music.
革命者的首要职责是受教育。
除非定理是美丽的,否则它们毫无价值。
The financial markets generally are unpredictable. So that one has to have different scenarios... The idea that you can actually predict what's going to happen contradicts my way of looking at the market.