唯一的限制是你自己设定的。

There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies.

The historian will tell you what happened. The novelist will tell you what it felt like.

控制的挑战在于在存在不确定性的情况下使系统工作。

Kindness is the language which the deaf can hear and the blind can see.

The market is a reflection of the collective expectations of all participants.

在桂林学界迎会的演说，1922年1月22日