过去是一个异国，那里的人们做事方式不同。

Leadership is about inspiring people to do things they never thought they could.

真相很少是纯粹的，也从来不简单。

The true challenge in mathematics is not solving problems, but asking the right questions.

Light is the soul of architecture.

The act of writing is an act of courage, to face the truths within and around us.

数学是理性的音乐。