The wild is a place of extremes. To survive, you have to find balance.

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

The right way to think is the way Zeckhauser plays bridge. It’s not that he’s so smart that he always knows the right answer. He just plays the odds better.

我所见人与动物最显著的区别不在于理性，而在于运用理性的能力程度。

动物体内的血液被推动着循环，处于永不停息的状态。

我们在二十多岁时做出的选择是我们将领导的生活的基础。