Another way to explore what the brain does is to consider what happens to people when very bad things happen to their brain.

另一个探究大脑功能的方法,就是在人们的大脑遭受严重损伤时,观察他们的行为变化

耶鲁公开课 - 心理学导论课程节选

And in this quest for what is best, positive psychology does not rely on wishful thinking, self-deception,or hand waving; instead,it tries to adapt what is best in the scientific method to the unique problems that human behavior presents " in all its complexity."

在追求理想状态时，积极心理学不会盲目主观，或自欺欺人;,相反，它尝试用最科学的方法来探究,极其复杂的人类行为所表现出来的,特殊问题“

哈佛公开课 - 幸福课课程节选