自由是一种当你看着它时会变化的东西，就像森林近距离看时树木茂密，但从外面，从空旷的草地上看，你看到它的真正界限。自由与锁链或你的笼子有多宽无关。

因果视角将数据转化为知识。

Your passion should be greater than your fears.

Every seed we plant today is an investment in tomorrow's food security.

The process of mathematical discovery is not about reaching a destination, but about the journey itself.

即使只有一毫粗疏的地方，就不能准确地认识事理，所以说一定要精确。不然，众说纷纭必会产生疑惑；仅存在一丁点杂念，便不能坚守事理，故而必须专心，否则在利害面前必定会经不起考验。

我可能已经赢得了搞砸几次的权利。我不想让对失败的恐惧阻止我做我真正关心的事情。

I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.