"It does not really matter because in the best case scenario we have today,we will still have a moderate virus that is projected to cause several million deaths extra deaths than the usual influenza annual mortality, which means that even in the best-case scenario, we do have an emergency on our hand,"

VOA: standard.2009.09.04

On the other hand, isn't imagination our best guide to logical possibility?

另一方面,想象是通向逻辑可能性的最好的向导吗

耶鲁公开课 - 死亡课程节选

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