最好的数学是你第一眼看不明白的数学。
写作的行为是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
The act of writing is an act of memory.
There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.