有时你建起心墙并非为了远离人群，而是为了看清谁在乎去推倒它。

我不是商人，我就是生意本身。

You will never be able to escape from your heart. So it's better to listen to what it has to say. That way, you'll never have to fear an unanticipated blow.

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

The greatest truths are often the ones we cannot put into words.