I believe in hard work. I believe in the process. I believe in the journey.
It's not worth it to know you're not worth it!
论证是一种颓废的意志
解决数学问题的喜悦是无与伦比的;这是纯粹的智力胜利的时刻。
"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."