Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.
强大但是骄傲就会削弱力量,弱小而骄傲只会加速灭亡。
大多数人发现他们从未后悔的事情只是他们的错误,但发现时已经太晚了。
I wonder how many people I've looked at all my life and never seen.