一个没有森林的世界，就是一个没有呼吸的世界。
The streets of Paris have a memory of their own.
过去从未死去，它甚至从未过去。
你读得越多，模仿得就越少。
Mathematics is not a spectator sport.
The core of technological innovation is to solve practical problems, not to innovate for the sake of innovation.