数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。

奋斗永不停歇。

Mathematics is an art, and as an artist, you have to be honest with yourself.

Ideas become a material force when they grip the masses.

I like to leave space for the reader's imagination to work.

在必要时，一个国家杀死暴君的权利永远不应受到质疑。

"In the world of finance, trust is the most valuable currency."

真相很少是纯粹的，也从不简单。

我不是一种潮流，我是一个标志。

智慧是对痛苦的理解，对喜悦的感激，以及对过去的接受。

The best leaders are those who listen more than they speak.

I’m not a guy that’s going to let my teammates down.