我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。

Quality is more important than quantity. One home run is much better than two doubles.

A commonwealth is said to be instituted when a multitude of men do agree， and covenant， every one， with every one， that to whatsoever man， or assembly of men， shall be given by the major part， the right to present the person of them all， that is to say， to be their representative.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

All language is but a poor translation.

如果你只做那些你事先知道答案的事情，你的公司就会消失。

All you need for a lifetime of successful investing is a few big winners, and the pluses from those will overwhelm the minuses from the stocks that don’t work out.