历史的任务不是评判,而是理解。
It is not the task of history to judge, but to understand.
The only way to learn mathematics is to do mathematics.
我们今天所做的每一个决定都会在明天的水域中产生回响。
译文:做将帅的切勿骄傲自大,如果骄傲自大,待人接物就会有不周道的地方,有失礼之处,一朝失礼就会众叛亲离,人心愤懑相怨。
The Internet is a tool for the empowerment of the individual.
We have a responsibility to future generations to leave the planet in better shape than we found it.