In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.

其实，做这种研究,你根本用不着杀害任何动物,因为试验都是在试管中进行的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

When a new male lion takes over a pride what he does is kill all the remaining cubs and any lionesses undergo spontaneous abortions.

当一个新雄狮接管领地,它将杀死留下的幼仔,和任何经历过自然流产的雌狮。

耶鲁公开课 - 心理学导论课程节选

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