优化是在给定约束条件下做出最佳选择的艺术。

唯一能让你明智的是你自己的经验。

"Every ending is a beginning in disguise."

教师必须为形成较好人类而献出一切。

"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."

历史不仅仅是关于事件，而是关于那些经历过这些事件的人的情感和思想。

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

你在你的玫瑰花身上耗费的时间使得你的玫瑰花变得如此重要。