写作是一种自由的行为，是表达无法表达之物的方式。

我认为数学家更像艺术家，而不是科学家。

我们制作东西是为了记住，我们通过制作东西来记住。

The beauty of mathematics lies in its simplicity and depth.

The past is a foreign country; they do things differently there.

数学是理性的音乐。

Separate the processes of creation from improving. You can’t write and edit， or sculpt and polish， or make and analyze at the same time. If you do， the editor stops the creator. While you invent， don’t select. While you sketch， don’t inspect. While you write the first draft， don’t reflect. At the start， the creator mind must be unleashed from judgement.

The best fertilizer for any farm is the footsteps of its owner.

The facts are always friendly, every bit of evidence one can acquire, in any area, leads one that much closer to what is true.