一个公司不应该沉迷于自己的光芒,因为那是不长久的。
We are each our own devil, and we make this world our hell.
数学的进步不仅仅依靠个人的努力,而是通过几代人的集体工作。
The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.