所有人都容易犯错；大多数人在许多方面，由于激情或利益，都会受到诱惑。

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.

We are all searching for something, whether we admit it or not, and that search defines us.

The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.