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.

默记所学的东西，坚持学习而不厌烦，教诲别人不知疲倦。

I am not afraid of storms，for I am learning how to sail my ship.

过去是一桶灰烬。

当随机化不可行时，匹配方法可以是一个强大的工具。

It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.