Passion is the fuel that keeps you moving forward.
The most important thing in mathematics is to ask the right questions.
对这个世界有所助益是获得快乐的唯一途径。
Small changes in material design can lead to massive reductions in environmental impact.
无政府状态是战争的允许性原因;它创造了一个国家必须依靠自助来确保生存的环境。