Education is what remains after one has forgotten everything he learned in school.
教育就是当一个人把在学校所学全部忘光之后剩下的东西。
你微微地笑着,不同我说什么话。而我觉得,为了这个,我已等待得久了。
The most dangerous thing is to do nothing.
The truth is rarely pure and never simple.
预测未来的最好方法就是创造未来。
The history of mathematics is a history of human curiosity and ingenuity.