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成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
我们手里的金钱是保持自由的一种工具;我们所追求的金钱,则是使自己当奴隶的一种工具。
To do nothing is also a good remedy.
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
工资与就业之间的关系并不像某些模型所暗示的那样简单。