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According to Jean-Jacques Rousseau, the most important topic in philosophy is expressed in the inscription at the temple at Delphi in Greece: γνωθι σeαυτον, or gnothi seauton, meaning “know thyself.” Understanding Human Nature becomes more difficult, however, as society introduces new ideas and customs that take people further from their original condition. The duty of the philosopher is to discover the character of human beings before these accretions were added. The “state of nature” may not have existed historically, and it is certainly impossible to resurrect it, but it is nonetheless critical to understand human nature in seeking a happy and fulfilling life.
Rousseau argues that other philosophers have mistaken as natural what came about as a result of socialization. To find what is genuinely natural, philosophic inquiry must see how similar human beings are to other animals. Rousseau believes that the two primary dictates of human nature are the desire for self-preservation and feelings of pity for other sentient beings when they suffer. By discovering what is natural, human beings can see what God truly intended them to be and possibly recover a chance for happiness.
Rousseau distinguishes between two forms of inequality, the first being differences in physical strength, intellectual capacity, and health which are “established by nature” (101), and the second being differences in wealth, social status, and power, which human beings create for themselves. Rousseau rejects any meaningful connection between the two kinds of inequality, as “reasonable and free men who seek the truth” could not possibly entertain the notion that social hierarchies have a basis in nature.
Other philosophers have tried to describe a “state of nature” where only natural differences prevail. Rousseau finds these efforts lacking, as they have not considered how the experience of living in a society with laws, norms, and hierarchies has fundamentally changed human beings. In trying to describe nature, these philosophers import concepts of “rights” and “justice” that only exist in an established society.
Rousseau’s state of nature is explicitly hypothetical, designed to “clarify the nature of things [rather] than to show their true origin” (103). He says he will base his account entirely on nature, “which never lies” (104), but he also warns that the truth will be deeply discomforting. His readers are about to learn that conditions have declined considerably for human beings since they left nature, it is only going to become worse, and they can never go back to the way things were.
Rousseau innovates the Understanding of Human Nature by reading backward from present conditions of inequality rather than positing an original state and moving forward. The question of inequality is a useful angle for examining human nature as it allows for the comparison of multiple samples. He begins with a common-sense observation that most social divisions have no basis in nature and suggests that philosophers have not gone far enough in peeling back the layers of inequality that have developed over the centuries. The search for human nature must continue until there are absolutely none of the advantages and disadvantages that result from a particular social situation.
Rousseau expects to find that human beings in nature are equal in all important respects. While he cannot prove this on historical grounds, the idea of a state of nature carries with it the assumption that nature exerts itself equally upon all creatures, human and otherwise. Humans might exhibit differences in strength and skill, but those differences would be distributed too randomly to constitute a law of nature privileging some over others. Nature similarly forbids any strict hierarchy of one species over another—some may be prey to others, but any species that endures has achieved a kind of equality within the ecosystem. As a result, the key to Understanding Human Nature is identifying the respects in which human beings are similar not only to one another but to all sentient creatures. Rousseau concludes that equality is founded on instinct and sentiment as all creatures exhibit these qualities, and they do not depend at all on social influence. However, society introduces ideas and practices that dull these original instincts. Rousseau expects that a more fully activated sense of self-preservation and pity will make people disgusted with modern society, which they will recognize as being “founded on piles of quicksand” and a source of immense danger (97).
In Rousseau’s view, exploring the origins of the human condition is not about learning how people used to behave but rather rediscovering an essential part of themselves that has been lost. Those who want to know the truth must not be afraid to challenge conventional wisdom. He believes that those who refuse to ask tough questions about the origins of social power and equate social status with natural ability will never learn the truth about themselves.
Rousseau posits that finding the truth about the human condition requires stripping away all that is extraneous. Religion presents a formidable challenge for him. In the Judeo-Christian view, human beings are made in the image of God, endowed with reason and the right to rule over other creatures. Rousseau’s effort to examine human beings before they were rational and social is thus a heresy. Public disagreement with Christian doctrine was still a frightful prospect in 18th-century Europe, especially in a city like Geneva, which as the former home of John Calvin was an important center of European Protestantism. Rousseau spent many years away from his native city, losing his citizenship in the process, and so he was taking an immense risk by challenging the Christian view of creation soon after returning to Geneva. This may explain why he accepts the biblical account as fact and proposes his view as a purely hypothetical alternative, even though he immediately afterward dismisses all existing accounts of humankind’s origins as false and insists that nature alone tells the truth. His account resembles the Bible in a significant way. Like the story of the Garden of Eden, Rousseau depicts a fall of humanity in which they lost their chance for happiness. But whereas the Christian account offers Jesus Christ as the hope for humanity’s salvation, Rousseau believes that philosophy is the true source of redemption.



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