You can only kill just a few people while they're still defending themselves in this manner.

在他们以方阵的方式防御时,你能击杀的人数是有限的

耶鲁公开课 - 古希腊历史简介课程节选

These people left the lab having learnt about themselves that they'll kill another person if someone tells them to, and as psychologists I don't think we have any right to do that to people.

这些电击者离开实验时发现,如果有人叫他们去杀人，他们真的会杀，作为心理学家,我们没权对他人做出这种行为。

耶鲁公开课 - 心理学导论课程节选

Here are humans who had to walk long distances potentially to find the food, kill the food at great risk to themselves; inspiring a cascade of physiological effects that have to do with fear and arousal and things like that, not to mention all the calories one would burn doing this kind of activity.

这些人可能需要走很远的路,去寻找食物,冒着巨大危险,杀死猎物,人们耗费能量以激活一系列生理效应,用以战胜恐惧,引发斗志,更不用说人们在狩猎的过程中,消耗的卡路里量了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选