数学证明的优雅常常反映了它所描述的算法的效率。
The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
I'm not afraid of the dark; I'm afraid of what's in it.
The world is full of stories, but the stories are all one.
世界是一本书，不旅行的人只读了一页。