行百里者半于九十。
译文:一百里的路程,走到九十里也只能算是才开始一半而已。
A good mathematician is always ready to generalize.
每个读者都是潜在的作家,每个作家都是反抗的读者。
The chief prevention against getting old is to remain astonished.
When you start out in a team, you have to get the teamwork going and then you get something back.