Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.

最好的数学不仅仅是逻辑的；它是直观和创造性的，将严谨与想象力结合在一起。

国际体系本质上是竞争性的，国家不断试图互相超越。