Lucretius

Introduction

Titus Lucretius Carus is the Roman poet of the first century BCE whose six-book hexameter poem De Rerum Natura (On the Nature of Things) is the most comprehensive surviving exposition of Epicurean philosophy and one of the most influential single poems in Western literature. The poem presents the full Epicurean framework — atomist physics, empiricist epistemology, the theory of mind and soul, the analysis of religion as a source of human misery, the doctrine of pleasure and ataraxia, the cosmological account of the worlds — in dactylic hexameter of extraordinary technical accomplishment. The work is at once a major piece of Latin literature, a major philosophical treatise, and the principal channel through which the Epicurean tradition reached the Renaissance.

Lucretius's biographical record is unusually thin even by the standards of ancient figures. Almost nothing reliable is known about his life beyond his approximate dates and the bare fact of authorship. The famous account in Jerome's Chronicle (circa 380 CE) that Lucretius was driven mad by a love potion, composed the poem in lucid intervals, and committed suicide is widely contested and probably reflects later Christian polemic against Epicureanism rather than historical fact. What survives is the poem itself, which in its six books gives the fullest single statement of Epicurean philosophy that any ancient source provides.

Life

Lucretius was probably born around 99 BCE and died around 55 BCE; the dates are approximate and based on slim evidence (a passing reference in a letter of Cicero from 54 BCE that mentions Lucretius in the past tense). The poem is dedicated to Gaius Memmius, a Roman patron of the period, which suggests Lucretius moved in the cultured circles of the late Republic.

The Jerome account of madness and suicide is widely doubted. The historical poet who composed the systematic exposition of Epicurean philosophy in extended hexameter verse was clearly a major literary and philosophical mind; the Christian polemic that converted him into a tortured madman driven to suicide reflects later hostility to Epicureanism rather than historical evidence. Some recent scholarship (Diskin Clay, David Sedley) has argued for a more philosophically engaged Lucretius whose Epicurean commitment was lifelong and integrated with his Roman cultural milieu.

What the poem itself reveals about Lucretius is substantial. The author had mastered both the Epicurean philosophical tradition and the Latin poetic tradition; he could compose in extended hexameter at a level matched in Latin only by Virgil and Ovid; he had clearly studied Greek philosophy in depth, since the poem presents Epicurean doctrines in their technical detail. The combination of literary accomplishment and philosophical depth in a single author was unusual even in the late Republic.

The poem

De Rerum Natura is organized in six books, each opening with a proem (often addressed to Memmius or to Venus as the principle of generative nature) and developing a particular aspect of the Epicurean framework. The poem totals approximately 7,400 lines of dactylic hexameter; it is one of the longest and most sustained single works of Latin poetry.

Book I: the foundations of the physical theory. The principle that nothing comes from nothing, the existence of atoms (Lucretius uses primordia, semina, corpora prima, and other terms rather than the Greek atomos), the existence of void, the infinity of the universe.

Book II: the properties of atoms and the doctrine of the swerve. The atoms differ in shape and size but not in qualitative content; the swerve (clinamen) introduces the unpredictable indeterminacy that allows for both atomic collision and free agency. The famous passage on the suffering of the bull whose calf has been sacrificed at the altar (II.352–70) is one of the most-cited Lucretian passages on animal cognition.

Book III: the nature of mind and soul, and the argument that death is not to be feared. The argument that the soul is composed of atoms that dissolve at death; the consequent doctrine that there is no surviving subject of experience after death; the famous closing passage (III.830–1094) that death is nothing to us. The book gives the most extensive ancient treatment of the Epicurean argument against the fear of death.

Book IV: perception, thought, language, and human action. The treatment of sense-perception as the reception of eidola (films) shed from physical objects; the analysis of dreams, illusions, sexual desire (with the famous and unusual passage on the dangers of erotic obsession). The book gives the Epicurean theory of mind in its most extended ancient presentation.

Book V: cosmology, the origin of the world, the development of human civilization. The argument that the world had a beginning and will have an end (against the Aristotelian eternity of the cosmos); the account of the development of human civilization from primitive conditions through the discovery of fire, agriculture, language, and social organization. The book gives one of the most extensive ancient anthropological accounts of human development.

Book VI: meteorological and geological phenomena, ending with the description of the plague at Athens (430 BCE) that closes the poem. The plague description is famously bleak; some readers have taken the abrupt ending as evidence that the poem was unfinished or that the manuscript was incomplete at Lucretius's death.

The Latin philosophical project

Lucretius's distinctive achievement was the development of a Latin philosophical vocabulary adequate to the Epicurean framework. Latin had no existing technical philosophical terminology in 50 BCE; Greek philosophy was conducted in Greek, with Latin as a vernacular insufficient for technical philosophical work. Lucretius had to create the Latin terminology for atoms (primordia, semina), void (inane), nature (natura), and the technical vocabulary of physics and cognition.

The project required adapting Latin meter and diction to philosophical content that the Latin literary tradition had not previously accommodated. Lucretius's hexameter is technically demanding; the lines often combine philosophical argument with rich poetic effects (the famous suave mari magno opening of Book II, the closing image of the plague, the proems to Venus). The integration of technical philosophy with poetic art is one of the most distinctive features of the poem and one reason for its sustained influence on subsequent Latin poetry.

Lucretius's role in the Latin philosophical tradition parallels Cicero's. Cicero's Latin philosophical works (the Tusculan Disputations, De Finibus, De Natura Deorum, De Officiis) developed a Latin philosophical vocabulary for Stoic and Academic philosophy in prose; Lucretius developed a parallel vocabulary for Epicurean philosophy in verse. Together they made Latin a viable medium for philosophical work and shaped the subsequent Latin philosophical tradition through the Patristic period and beyond.

Reception

The ancient reception of Lucretius was substantial. Cicero edited or arranged the poem after Lucretius's death (the famous letter from Cicero to his brother Quintus in 54 BCE praises the poem); Virgil engaged Lucretius extensively in the Aeneid and the Georgics; Ovid, Statius, and other major Latin poets show clear Lucretian influence. The Christian period saw the gradual eclipse of Lucretius (and of Epicureanism generally) but the manuscript tradition preserved the poem.

The medieval transmission was thin. The poem was known to a few Carolingian scholars (the principal medieval manuscript, the Oblongus, dates from the ninth century) but was not widely read; the Epicurean content was difficult to reconcile with Christian frameworks, and the poem dropped out of the medieval curriculum.

The Renaissance recovery was decisive. Poggio Bracciolini, an Italian humanist working in Constance during the papal council of 1417, discovered a Carolingian manuscript of De Rerum Natura in a German monastery (probably Murbach or Fulda); Poggio's copy and subsequent transcriptions brought the poem to Italy, where it circulated rapidly through humanist circles. The first printed edition (Brescia, 1473) made it widely available; subsequent editions by Aldus Manutius (1500) and others established the poem as one of the foundational classical texts of Renaissance learning.

The modern engagement has been continuous. Pierre Gassendi's revival of Epicureanism in the seventeenth century made Lucretius a major modern philosophical reference; the Enlightenment engagement (Diderot, La Mettrie, the broader French materialist tradition) made the poem one of the major modern alternatives to traditional religious frameworks. Stephen Greenblatt's The Swerve: How the World Became Modern (2011) gives the popular contemporary account of the Lucretian transmission and won the Pulitzer Prize for General Nonfiction.

Continuing engagement

Major recent scholarly work includes Stephen Greenblatt's The Swerve (2011), David Sedley's Lucretius and the Transformation of Greek Wisdom (1998), Monica Gale's Lucretius and the Didactic Epic (2001), the Cambridge Companion to Lucretius (Gillespie and Hardie, eds., 2007), and the work of Diskin Clay, Phillip Hardie, James Warren, and Pierre-Marie Morel. The Loeb Classical Library De Rerum Natura edition by W. H. D. Rouse (revised by Martin Smith) and the more recent translations by A. E. Stallings (Penguin, 2007) and David Slavitt (California, 2008) make the poem available in contemporary English. Active scholarly debates concern the precise philosophical interpretation of Lucretius (especially the relation between his Epicureanism and the Roman cultural framework in which he wrote), the literary structure of the poem, the relation between Lucretius and Cicero, and the contemporary applicability of the Lucretian framework.

Further reading

• Epicurus — the founder of the philosophical tradition Lucretius transmits
• Epicureanism — the tradition Lucretius presents in its most extensive surviving ancient form
• Ataraxia — the central Epicurean ethical concept the poem develops

The Roman poet whose De Rerum Natura is the most comprehensive surviving exposition of Epicurean philosophy and the principal channel through which Epicurean thought reached the Renaissance.