A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。
我生来就是为了赢，但为了赢，我必须计划不输。
It is not the creation of wealth that is wrong, but the love of money for its own sake.
一个人可能发生的最糟糕的事情就是失去希望。