消化管代表了一条穿过整个生物体的管道。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

Infrastructure must serve people, not just economies.

"The truth is rarely pure and never simple."

建筑是使必要之物变得美丽的艺术。

The key to successful investing is to stay disciplined and avoid emotional decisions.

恐惧是盲目信仰的主要来源，也是残酷的主要来源之一。征服恐惧是智慧的开始。

用互联网的方式做手机。

一个文明的真正考验在于它如何对待最弱小的成员。