In the selection of his models, his choice fell upon the older Greek writers, such as Empedocles, Aeschylus, Thucydides, men renowned for deep thought rather than elegant expression; and among the Romans, upon Ennius and Pacuvius, the giants of a ruder past. Among contemporaries, Cicero alone seems to have awakened his admiration. Thus he stands altogether aloof from the fashionable standard of his day, a solitary beacon pointing to landmarks once well known, but now crumbling into decay. [54]
Lucretius is the only Roman in whom the love of speculative truth [55] prevails over every other feeling. In his day philosophy had sunk to an endless series of disputes about words [56] Frivolous quibbles and captious logical proofs, comprised the highest exercises of the speculative faculty. [57] The mind of Lucretius harks back to the glorious period of creative enthusiasm, when Democritus, Empedocles, Anaxagoras, Plato, Aristotle, Zeno, and Epicurus, successively believed that they had solved the great questions of being and knowing. Amid the zeal and confidence of that mighty time his soul is at home. To Epicurus as the inventor of the true guide of life he pays a tribute of reverential praise, calling him the pride of Greece, [58] and exalting him to the position of a god. [59] It is clear to one who studies this deeply interesting poet that his mind was in the highest degree reverential. No error could have been more fatal to his enjoyment of that equanimity, whose absence he deplores, than to select a creed, at once so joyless and barren in itself, and so unsuited to his ardent temperament.
When Lucretius wrote, belief in the national religion had among the upper classes become almost extinct. Those who needed conviction as a support for their life had no resource but Greek philosophy. The speculations of Plato, except in his more popular works, were not attractive to the Romans; those of Aristotle, brought to light in Cicero's time by the transference of Apellicon's library to Rome, [60] were a sealed book to the majority, though certain works, probably dialogues after the Platonic manner, gained the admiration of Cicero and Quintilian. The pre-Socratic thinkers, occupied as they were with physical questions which had little interest for Romans, were still less likely to be resorted to. The demand for a supreme moral end made it inevitable that their choice should fall on one of the two schools which offered such an end, those of the Porch and the Garden. Which of the two would a man like Lucretius prefer? The answer is not so obvious as it appears. For Lucretius has in him nothing of the _Epicurean_ in our sense. His austerity is nearer to that of the Stoic. It was the speculative basis underlying the ethical system, and not the ethical system itself, that determined his choice. Epicurus had allied his theory of pleasure [61] with the atomic theory of Democritus. Stoicism had espoused the doctrine of Heraclitus, that fire is the primordial element. Epicurus had denied the indestructibility of the soul and the divine government of the world; his gods were unconnected with mankind, and lived at ease in the vacant spaces between the worlds. Stoicism on the contrary, had incorporated the popular theology, bringing it into conformity with the philosophic doctrine of a single Deity by means of allegorical interpretation. Its views of Divine Providence were reconcilable with, while they elevated, the popular superstition.