In almost every other race of animals each individual, when it is grown up to maturity, is entirely independent, and in its natural state has occasion for the assistance of no other living creature. But man has almost constant occasion for the help of his brethren, and it is in vain for him to expect it from their benevolence only. He will be more likely to prevail if he can interest their self-love in his favour, and show them that it is for their own advantage to do for him what he requires of them 去书内

  • 希希何曦曦 希希何曦曦

    人以相互需要的动机而互相帮助

    2020-05-16 喜欢(0) 回复(0)