通过人家的鞋可以了解别人很多的东西。他们将要去哪，曾经去过哪。
There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.
最好的领导者是那些能在别人发现自己潜力之前就看到它的人。
The good society is one in which virtue pays.
证明的严谨性将数学与所有其他科学区分开来。
过去总是紧张的，未来是完美的。