Cicero

Life

Cicero was born in 106 BCE in Arpinum, a small town southeast of Rome, to a prosperous equestrian family. He received an exceptional education in Rome, studying rhetoric, law, and philosophy with the leading teachers of his day, including the Academic skeptic Philo of Larissa, the Stoic Diodotus, and the Epicurean Phaedrus. He also studied in Athens and Rhodes.

Cicero's political career was extraordinary. He rose through the cursus honorum to become consul in 63 BCE, during which he suppressed the Catiline conspiracy. He became one of the leading defenders of the Roman Republic against autocratic power — first opposing Caesar (though eventually reconciling with him) and then opposing Mark Antony after Caesar's assassination, delivering the devastating Philippics that sealed both his fame and his fate.

In 43 BCE, when the Second Triumvirate (Octavian, Antony, Lepidus) published their proscription lists, Cicero was among the first targets. He was caught attempting to flee Italy and killed. His head and hands were displayed on the Rostra in the Forum — the platform from which he had delivered his greatest speeches.

Philosophical Activity

Cicero's most productive philosophical period came during his forced withdrawal from politics in 46–44 BCE, when he wrote a remarkable series of philosophical dialogues at tremendous speed. His philosophical stance was Academic skepticism — the method of arguing both sides of every question, witholding dogmatic assent, and following probability (the 'persuasive' or pithanon). This allowed him to present the strongest arguments from every school fairly.

His major philosophical works include:
- De Republica and De Legibus: On the best constitution and the foundations of law, drawing on Stoic natural law theory
- De Finibus: On the highest good — presenting Epicurean, Stoic, and Peripatetic views
- Tusculan Disputations: On the contempt of death, the endurance of pain, grief, and the passions
- De Natura Deorum: On the nature of the gods — Epicurean, Stoic, and Academic perspectives
- De Officiis: On moral duties — the most widely read work of moral philosophy in Western history until the modern era

Philosophical Significance

Cicero's philosophical significance is threefold. First, he created philosophical Latin — inventing or adapting Latin terms for Greek philosophical concepts (qualitas, moralis, humanitas, essentia, etc.) that became the standard vocabulary of Western philosophy. Second, his dialogues preserved arguments and positions from Hellenistic schools whose original works are lost — much of what we know about Stoic, Academic, and Epicurean philosophy comes through Cicero. Third, his synthesis of Stoic natural law theory with Roman republican political thought created a tradition that shaped Grotius, Locke, the American founders, and modern human rights theory.

Legacy

Cicero's influence on Western civilization is almost impossible to overstate. He was the supreme model of Latin prose style for Petrarch, Erasmus, and the entire humanist tradition. His ethical and political writings shaped Augustine, Aquinas, Montesquieu, John Adams, and the architects of liberal democracy. His defense of philosophical humanism — the idea that the study of literature, rhetoric, and philosophy cultivates the full human being — is the foundation of the Western liberal arts tradition.