你无法管理你无法衡量的事物。
The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.
人民有三种忧患：饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.