The past is a puzzle, and we are all trying to piece it together.
Every man is his own greatest enemy， and as it were his own murderer.
The most important victories are those that come after the hardest defeats.
任何有价值的人生都是一个持续的寓言。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.
朗兰兹纲领是探索数学中最深刻问题的框架。
It's not the tools you have faith in – tools are just tools – they work， or they don't work.It's people you have faith in or not.