Freedom was a thing that shifted as you looked at it, the way a forest is dense with trees up close but from outside, from the empty meadow, you see its true limits. Being free had nothing to do with chains or how wide your cage was.

我相信努力工作并忠于自己。

The only way to be free is to serve.

优化是在给定约束条件下做出最佳选择的艺术。

物理学中的每一个发现都打开了一扇通往新奥秘的门。

历史上的大规模战争——我们已经瞥见了这一真相——直接或间接地源于国家间的不平衡发展。

我写歌的时候，常常会哭。