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.

译文：早知道人生像场大梦，何必被虚名束缚住自己。

Your heart just breaks, that's all. But you can't judge or point fingers. You just have to be lucky enough to find someone who appreciates you.

追求数学知识是一段永无止境的旅程。

当你认为你理解了一个问题时，你就停止思考它了。