The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.

 释义：身体没有受到饥饿和寒冷的痛苦，这是上天不曾亏待我；若是我的学问无所进步，我有何颜面去面对上天呢?

心有其理，理性对此一无所知。

The true power of an algorithm is not in its speed or efficiency, but in its ability to reveal the hidden structures of the problems it addresses.