Now, a virus is not capable of reproducing on its own, so if you got a virus into your body somehow and it didn't enter any of your cells, it would cause no damage because it could not reproduce.

病毒自身并不能繁殖,所以如果你的身体感染了病毒,而病毒没有进入细胞的话,因其不能繁殖所以不会对身体造成伤害

耶鲁公开课 - 生物医学工程探索课程节选

The issue of psychopathy, of people who, either due to brain damage or because they are born that way, have no moral understanding, can help us cope with questions of free will and responsibility; of the relationship or difference between mental illness and evil.

比如那些精神病人,不论是因为大脑受损而造成的,还是先天性的,并没有道德观念,可以帮助我们研究自由和责任的问题,或是研究心理疾病与邪恶的关系或区别

耶鲁公开课 - 心理学导论课程节选