Our decisions are often less rational than we believe, influenced by a myriad of subconscious factors.

Mathematics is not just a collection of abstract theories, but a language that describes the universe.

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。 

任何经济体中最重要的资源是其人民的才能。

从更糟到更好的改变也并非没有不便。