"For we assert," he says, "nature does nothing in vain and man alone " among the animals has speech.

他说，“因为我们主张自然演变并不无道理,而人类独立于其它动物之外,是因为我们有辩论能力。

耶鲁公开课 - 政治哲学导论课程节选

Therefore, when he is without virtue, man is the most unscrupulous and savage of the animals."

因此,一旦失去美德,人就是最不讲道德最为凶残的野兽"

耶鲁公开课 - 古希腊历史简介课程节选

For it is peculiar to man as compared to other animals that he alone has a perception of " good and bad, just and unjust and other things."

因为对比于其它动物,是人类特有的,人类能感受出,善与恶正义与不公还有其它的事务“

耶鲁公开课 - 政治哲学导论课程节选

The Expression of the Emotions in Man and Animals posited the theory that animals express emotion in a similar way to humans.

BBC: Friday 11 September: Darwin special

Until this time, at least, man has evolved far beyond any other animals on Earth in comprehension and intelligence.

NPR: Human Existence Is in Peril

Director of the Medical Research Council's clinical sciences centre Chris Higgins said "Once in a blue moon something does not get picked up in animals which is there in man".

BBC: NEWS | Health | Drugs trial rules are tightened