The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.

模形式的算术是窥探宇宙隐藏结构的窗口。

The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.

译文：不能逃避的事一定要去面对，该放手的事一定要懂得放手。赏析：遇到困难，我们要敢于面对，逃避现实并非解决问题的方式。人的精力有限，不必事事躬亲。我们要信任对方，放手让对方去做，即使对方做错了，也没事，因为人都是在错误中成长起来的。

把员工培训得足够好，让他们有能力离开；对待他们足够好，让他们不想离开。

Happiness is not something you postpone for the future; it is something you design for the present.

阅读使人充实，谈论使人机敏，写作使人精确。