梦魇是相信恐吓人们是刺激他们发奋的最好办法，或是环境越残酷，就会有越多人接受挑战。你必须想，你的理想父亲是怎样的？你的理想父亲往往是严厉又温和的，虽然这界限很难画定，我们社会需要的模范性人物是像一个理想父亲，不要走极端，不要完全集权、纯粹纪律，也不要模糊马虎，乱无规章。
The nightmare thought is that frightening people is the best way to get work out of them, and that somehow the crueler the environment, the more people will rise to the challenge. You want to think, who would you like as your ideal dad? And your ideal dad is somebody who is tough but gentle. And it's a very hard line to make. We need fathers, as it were, the exemplary father figures in society, avoiding the two extremes, which is the authoritarian disciplinarian on the one hand, and on the other, the lax, no-rules option.
译文：爽口的食物吃太多容易生病，高兴的事情过头容易生出祸患。赏析：再好的食物吃多了都会生病，不要为了口腹之欲，就口不择食。人遇到快乐高兴之事，心情自然就愉悦，可快乐过头了，人就会丧失理智，对事情不能做出理性的分析和选择，就会生出祸端。
文化进化的研究必须考虑社会的内部动态和外部环境约束。
The psychologist must avoid all forms of reductionism.
释义：智慧本就在你心里，无需外求。
成功不在于目的地，而在于旅程。
未来谁也无法预知。正因如此，活在当下才显得尤为重要。