在你成为领导者之前,成功的全部就是自我成长;当你成了领导者,成功的全部就变成帮助他人成长。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
The duty of man is the same in respect to his own nature as in respect to the nature of all other things.
如果所有的人都是富有的,那么所有的人都是贫穷的。