If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?

如果进化论是讲适者生存，在弱肉强食的自然界，动物怎么能进化出道德情感？

耶鲁公开课 - 心理学导论课程节选

If both religion and reason are removed, all that remains is will and power, where the only law is the law of tooth and claw.

如果宗教和理性都被世人所摒弃,那么世间就只剩下了权力和欲望,而这世间唯一准则就只剩下了弱肉强食

耶鲁公开课 - 古希腊历史简介课程节选

States stand to one another on the world stage as individuals do in the condition of nature; that is to say, potential enemies with no higher authority by which to adjudicate their conflicts.

国家相对于世界的关系,就好比人相对于自然的关系;,也就是说,在冲突面前不会有更高的权威,来裁定谁对谁错，只能弱肉强食。

耶鲁公开课 - 政治哲学导论课程节选