Leviathan

Thomas Hobbes (1651)

Written in Paris exile during the English Civil War, Hobbes's 1651 masterwork argues that outside a sovereign power, life is 'solitary, poor, nasty, brutish, and short' — and that peace requires an absolute commonwealth in which fearful individuals covenant away their natural right to everything in exchange for protection.

Era17th Century / English Civil War
Pages700
Difficulty★★★★★ Expert
AP Appearances6

Why This Book Matters

Leviathan is the founding text of modern political philosophy. No earlier work grounded political authority so thoroughly in rational contract rather than divine right, natural hierarchy, or custom. No earlier work analyzed political obligation with comparable methodological rigor, deriving conclusions from a mechanistic psychology through geometric deduction. The text established the conceptual vocabulary — state of nature, social contract, authorization, sovereignty — that subsequent political theory has continued to use even when rejecting Hobbes's conclusions. Leviathan also pioneered the methodological individualism that now dominates analytical political philosophy and economics.

Firsts & Innovations

First major political philosophy to ground legitimate authority in rational contract rather than divine right or natural hierarchy

First systematic application of the geometric-deductive method to political philosophy

First sustained methodologically individualist political theory

First articulation of the distinction between sovereign authority and subject liberty as complementary rather than opposed concepts

First theorization of the state of nature as a philosophical thought-experiment rather than historical claim

First English-language political philosophy to command significant continental attention

Cultural Impact

Established 'Hobbist' as a term of abuse and 'Hobbesian' as a specific cluster of views on fear, self-interest, and authority

Provided the analytical template for subsequent social-contract theory — Locke, Rousseau, Kant, Rawls, Gauthier

Established realism as a foundational school of international-relations theory

Contributed 'nasty, brutish, and short' to general cultural usage as shorthand for chaotic pre-civilizational conditions

Shaped constitutional thinking through the Lockean response — Two Treatises is explicit engagement with Hobbes

Influenced philosophical materialism through Spinoza's engagement

Contributed the Bosse frontispiece as one of the most-reproduced philosophical images in history

Banned & Challenged

Leviathan was investigated by Parliament's Committee on Religion in 1666 for atheism, during the Great Plague (1665) and Great Fire (1666), when Parliament sought divine judgments to explain the disasters. Hobbes, seventy-eight, destroyed compromising papers and was protected by Charles II; not formally charged. New editions in English were effectively banned in England during Hobbes's lifetime. Oxford University formally condemned passages in 1683, four years after Hobbes's death. Catholic Indexes of Prohibited Books included Hobbes's works. In Restoration England, 'Hobbist' was a theological and political slur. The effective ban led to Latin editions produced in Amsterdam (1668 Latin Leviathan) and manuscript circulation. Never legally re-suppressed after 1695, but controversial through the eighteenth century.