Did you know that of people who take positive psychology, 75% of you are officers of club, 35% of you are the highest ranking officers of club, which means that you think there are about 2000 clubs at Harvard, you are in club of three, and you happen to be the president.

你不知不知道选了积极心理学的人中，有75%的人是俱乐部的干部，35%是俱乐部的高层干部，这意味着，你认为哈佛有大约2000个俱乐部，你在一个只有3个人的俱乐部里，又恰好是主席。

哈佛公开课 - 幸福课课程节选