学习数学的唯一方法就是做数学。

You don't have to have the ability that quantum mechanics requires.You just have to know a few simple things and really know them.

把仁心存在自己心中是先贤的最高学问，行为中尽自己的本分是圣贤的最高功夫。

要想找到自我，必须独立思考。