递归是计算的根源，因为它需要时间来描述。

数学是提出正确问题然后找到答案的艺术。

The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was.

我们都是由我们所做的事以及别人对我们所做的事塑造的。

You can’t control everything in life, but you can control how you react to it.

孔子说：“君子心怀仁德，小人心怀家乡；君子心怀法制，小人心怀实利。”

The presence of those seeking the truth is infinitely to be preferred to the presence of those who think they've found it.

最痛苦的事莫过于在过分爱一个人的过程中失去自我，忘记了自己也很特别。