任何重复性活动（如惩罚犯罪或葬礼仪式）的功能，在于它在整体社会生活中扮演的角色，从而对维持结构连续性所做的贡献。

要抓住一切机会，向所有人证明你自己，证明你能够迎接挑战。

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

The only limits you have are the limits you believe.

Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.

I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.

Happiness is not something you postpone for the future; it is something you design for the present.

引用计算机科学家Alan Kay的观点

不要害怕失败，失败是成功的必经之路。