No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

你们即将毕业，未来的工作即将展开。并非所有工作都能让你乐在其中，付出的结果并非总是能尽如人意，你们或许会日复一日地饱受煎熬。

质量不是一种技术，而是一种哲学。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

数学不是一项观赏性运动。你必须亲自去做才能理解它。

引用和菜头

The questions we ask today will shape the solutions of tomorrow.