最有效的经济共同体建立在共同的伦理视野之上，包括社区成员彼此之间所承担的一系列道德义务。
The most effective economic communities are founded on a shared ethical horizon, which includes a set of moral obligations that members of the community owe to one another.
The more you give, the more you receive.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.