A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
解释:只是一种声音就没有听头,只是一种颜色就没有文采,只是一种味道就不成其为美味,只是一种事物就无法进行衡量比较。
The future belongs to those who are willing to adapt and learn.
Great leaders are willing to make the tough decisions that others avoid.