金钱只关注所有事物共有的东西，即交换价值，它将所有的质量和个性都简化为一个问题：多少？
Money is concerned only with what is common to all, i.e., the exchange value, and it reduces all quality and individuality to the question: How much?
The goal of mathematics is not to solve problems, but to understand them.
译文：遵循古法成就的功业，不完全高于今世；效法古人的学问，不能够制定今天的制度。