城市本身就是一个角色，有着自己的情绪和神秘。

Incentives matter because they guide behavior in predictable ways.

当你倾听最接近问题的人时，才能做出最佳决策。

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.