Change is certain. Peace is followed by disturbances; departure of evil men by their return.

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how."

I don't believe in luck, I believe in preparation.

我不在乎你是否被冒犯，我不是来让你开心的。

因果视角将数据转化为知识。