The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.

最好的书是让你重新看世界的书。

金钱是非常不可思议的东西。它和爱一样，是人类喜悦的最大来源。但是它也和死一样，是人类忧烦的最大来源。

Time travel is the most frustrating thing in the world. You can't change anything, and you can't stop anything from happening.

创新不是对每件事都说“是”，而是对所有非关键特性说“不”。