要成为一个好的数学家，你需要既有直觉又有严谨。
To be a good mathematician, you need to have both intuition and rigor.
The act of writing is an act of courage, to face the truths within and around us.
The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
我一直很喜欢沙漠。坐在一个沙丘上，什么也看不见听不见。但是，却有一种说不出的东西在默默地放着光芒。
A story is not a lie, but neither is it the truth.
法律，在其最一般的意义上，是事物本质产生的必要关系。
力量！废话！我们变成这样那样，全在于我们自己。我们的身体就像一座园圃，我们的意志是这园圃里的园丁。
信息技术的第一大好处是它赋予人们做他们想做的事情的能力。它让人们变得有创造力。它让人们变得高效。它让人们学习他们以前认为自己无法学习的东西，所以在某种意义上，它是关于潜力的。
I'm not perfect, but I'm perfectly me.
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.