Mathematics is the art of giving the same name to different things.
最好的艺术是关于变化的——关于思想的运动和感知的转变。
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.
质量比数量更重要,一个本垒打胜过两个二垒安打。