如果你不能理解某人为什么要做某事，那么看看他们行为的后果，不管他们可能是什么，然后从他们的后果中推断出动机。
If you can't understand why someone is doing something, look at the consequences of their actions, whatever they might be, and then infer the motivations from their consequences.
Tomorrow will be better for as long as America keeps alive the ideals of freedom and a better life.
All behavior is motivated by some form of drive reduction.
我在追随自然，却无法完全抓住她。
当你不清楚某个项目该如何定价时，不妨直接问他怎样才算公平？他们的回答通常就是他们觉得自己该有的价值。
一个常见的经验是，一个晚上难以解决的问题在睡眠委员会工作后，在早上得到了解决。
统计学是从数据中学习的科学。