数学是关于概念之间关系的科学，与这些概念的内容无关。
The most dangerous phrase in business is 'we've always done it this way.'
The most important things in life often cannot be expressed in words.
The only competition I have is myself.
True wisdom lies in admitting one's ignorance.
故事是我们理解世界的方式，也是我们理解自己的方式。