有人自认为在做有用的事，却收效甚微；有人看似在做“无用”之功却流芳后世，引为大用。

知识不是为了理解而存在，而是为了切割。

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."

我不喜欢被定义，因为我是多变的。

Leadership is about vision and the ability to inspire others.