History has neither the desire nor the capacity to make men better or worse; it merely records what they have been and what they have done.

If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.

我总是告诉我的学生，犯错是可以的，只要你从中学习。

我不认为冠军可以被教出来。它必须来自内心。

机会总是留给有准备的人。