对死亡的恐惧源于对生活的恐惧。活得充实的人随时准备死亡。
Science is not just about finding answers, but also about asking the right questions.
时间是最好的老师,但不幸的是,它杀死了所有的学生。
The quality of a country's institutions is the single most important determinant of its long-term economic performance.