Never stop learning, because the world never stops changing.

人的本性是天生的质朴；善良是王道教化的结果。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

The most important single aspect of software development is to be clear about what you are trying to build.

I write to understand what hurts me and to make it exist outside of myself.

The great challenge of our time is to create a world order that is both just and sustainable.