事实是，我们都能够做出可怕的事情。但我们也能表现出极大的善意。
The truth is, we are all capable of terrible things. But we are also capable of great kindness.
Light is what makes architecture alive.
数学推理可以相当系统地看作是对两种能力的结合运用，我们可以称之为直觉和独创性。