Water runs dry but hearts never do

成功的关键是专注于用户体验，而不仅仅是技术。

In computer science, we often deal with problems that are easy to state but hard to solve.

爱是一种耐心。

数学家的直觉和严谨的证明同样重要。

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

你无法总是控制外面发生的事情。但你总能控制内心发生的事情。