你无法预测，但你可以准备。

It is a capital mistake to theorize before one has data.

不要烦恼啊不要烦恼，连明月的圆缺都难以长久保持。

The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.

人类认知最好被理解为信息处理层次的层级结构。