"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

The most common way people give up their power is by thinking they don't have any.

面对挑战要迎难而上，把危机转化为发展机遇。

改变始于质疑现状的勇气。

学习数学的唯一方法就是做数学。