A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of effort.

The market is a great teacher, but it charges a high tuition.

追求幸福不是追逐快乐，而是培养意义。

——赠汝为同志题词

The heart of another is a dark forest, always, no matter how close it has been to one’s own.

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。