I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.

如果你认为你理解了量子力学，那么你并没有真正理解量子力学。

判断两个λ表达式是否等价的问题是无法解决的。

一本好书的衡量标准是它是否让你思考、感受并以不同的方式看待世界。

The world is always ending for someone.

法律义务不仅仅是道德义务加上制裁。

成为一个艺术家就是要不断地质疑。