"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

The goal of software engineering is to produce reliable, maintainable, and efficient software systems.

每一个结束都是伪装的开始。

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

最坚强的人是那些经历过最多但仍然选择去爱的人。