A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.

国家不过是一个阶级对另一个阶级进行压迫的机器。

The development of enterprises must resonate with national strategies.

有利的时机和气候不如有利的地势，有利的地势不如人的齐心协力。