我们所看到的改变了我们所知道的。我们所知道的改变了我们所看到的。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

I don’t care if you’re a saint or a sinner, I’m still gonna be me.

A mind free from cares and fears is needed to experience true happiness.

Our greatest asset isn't beneath the ground, but the people who work above it.

一本书是一扇门，每个读者都以不同的方式穿过它。

The only limit to our realization of tomorrow is our doubts of today.