计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们首先是问题。

The duties of all public officers are, or at least admit of being made, so plain and simple that men of intelligence may readily qualify themselves for their performance.

过去从未死去，它甚至不是过去。

Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.

我是个内向的人。我喜欢独处，喜欢待在户外，喜欢带着我的狗好好地散步，看树，看花，看天空。

Efficiency without ethics is a path to failure.

解释：凡是有利的地方，虽然是极高的山，没有不可以上去的；即令有极深的水，没有不可以下去的。