乌尔姆的城市格言，爱因斯坦出生于此地

我不考虑年龄。我考虑的是精神。

事情在完成之前总是看起来不可能。

制度是一个社会的游戏规则，或者更正式地说，是人为设计的约束人类互动的框架。

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

What is a hero without love for mankind?

虽然无法改变过去，但可以改变未来。