"Experience is simply the name we give our mistakes."
经验只是我们给错误起的名字。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
【译文】忍下一时的怨气，可以免除长久的忧患。遇到不利的情况学学乌龟，该缩头的时候就要把头缩回去。
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
The best way to predict the future is to create it.
真相藏在词语之间的沉默里。