学习数学的最好方法就是去做数学。
The best way to learn mathematics is to do mathematics.
如果周围的人都失去理智并归咎于你，而你能保持冷静……
I have always considered that the true test of a machine is its practical utility in the hands of the common laborer.
Stories are not just entertainment. They are the way we understand the world and our place in it.
盈利和目的并不相互排斥，它们越来越相互依赖。