Thomas Hobbes and Jean-Jacques Rousseau, two towering figures of Enlightenment political thought, offer profoundly different visions of humanity's natural state and the justification for government. While both philosophers utilized the concept of a social contract to explain the transition from a pre-societal condition to organized political life, their fundamental assumptions about human nature and the purpose of the state lead to starkly contrasting conclusions. Hobbes, writing in the shadow of the English Civil War, saw the state of nature as a brutal "war of all against all," necessitating an absolute sovereign to ensure peace. Rousseau, conversely, idealized a more benevolent "noble savage" in nature, arguing that society, with its inequalities and corruptions, was the true source of human misery, and that legitimate government must arise from the general will of the people.
For Hobbes, in his seminal work Leviathan (1651), the state of nature is a terrifying prospect. Driven by self-preservation and a relentless pursuit of power, individuals in this pre-political existence are perpetually in conflict. Life, he famously stated, is "solitary, poor, nasty, brutish, and short." There is no industry, no culture, no justice, and no morality in this natural condition; only the constant fear of violent death. To escape this dire state, rational individuals, according to Hobbes, agree to surrender nearly all their rights and liberties to an absolute sovereign, be it a monarch or an assembly. This sovereign's power must be indivisible and unquestionable, as any division or challenge would risk a return to the chaos of the state of nature. The purpose of government, therefore, is primarily negative: to prevent anarchy and maintain order, even at the cost of individual freedom.
Rousseau’s perspective, articulated in works like Discourse on Inequality (1755) and The Social Contract (1762), presents a radically different picture. He posits that in their natural state, humans are essentially good, driven by self-love (amour de soi) and pity (pitié). They are solitary, independent beings, free from the artificial desires and social comparisons that plague civilized life. It is the development of society, particularly the advent of private property, that introduces inequality, envy, and corruption, leading to a state of dependency and alienation. Rousseau’s social contract is not a submission to an absolute ruler but a voluntary association of free individuals who agree to subordinate their private interests to the "general will." This general will, unlike the sum of individual desires, aims at the common good and represents the collective sovereignty of the people. Thus, for Rousseau, legitimate government is not merely about order but about achieving liberty and equality.
The divergence in their views on human nature directly shapes their theories of sovereignty and the rights of the governed. Hobbes’s sovereign is an artificial entity, established by contract but standing above it, possessing unlimited authority. Subjects have a right to life and security, but beyond that, their liberty is essentially what the sovereign permits. Rebellion is only justified if the sovereign fails to protect their lives, as that is the sole purpose of the contract. Rousseau, on the other hand, sees the social contract as a means of preserving and enhancing freedom, not surrendering it. By uniting under the general will, individuals gain a higher form of liberty – civil liberty – which is constrained by the law but ultimately self-imposed and collective. The people are the ultimate sovereign, and their will is inalienable and indivisible. Any government acting contrary to the general will is illegitimate and can be overthrown.
In conclusion, while both Hobbes and Rousseau employed the social contract to conceptualize the origins of political society, their fundamental disagreements about human nature and the aims of government led them down divergent paths. Hobbes envisioned a Leviathan necessary to tame a savage humanity, prioritizing security above all. Rousseau, believing in humanity’s innate goodness corrupted by society, sought a political order that would allow individuals to achieve true freedom and equality through collective self-governance. These contrasting philosophies continue to resonate in debates about the balance between authority and liberty, the role of the state, and the very definition of a just society.