Says that humans are the only animal sin that nature has “endowed with the gift of speech” (p. 129). Other animals have the gift of voice, but this simply gives them the ability to express pain and pleasure. Human beings, on the other hand, are able to express what is good in society and therefore what is just and what is unjust. This gives them the ability to express their dissatisfaction with the state, pushing others to believe in their beliefs as well. This relates to the notion of the highest good because communication is good based on its simple purpose, to express what humans think and believe, the consequence of communication is to change what is wrong in society and persuade people to believe in changes. So it is precious for this too