Rabirius was a 1st-century BC Epicurean

Epicureanism

Epicureanism is a system of philosophy based upon the teachings of Epicurus, founded around 307 BC. Epicurus was an atomic materialist, following in the steps of Democritus. His materialism led him to a general attack on superstition and divine intervention. Following Aristippus—about whom...

 associated with Amafinius and Catius

Catius

Catius was an Epicurean philosopher, identified ethnically as an Insubrian Celt from Gallia Transpadana. Epicurean works by Amafinius, Rabirius, and Catius were the earliest philosophical treatises written in Latin. Catius composed a treatise in four books on the physical world and on the highest...

 as one of the early popularizers of the philosophy in Italy. Their works on Epicureanism were the earliest philosophical treatises written in Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

. Other than Lucretius

Lucretius

Titus Lucretius Carus was a Roman poet and philosopher. His only known work is an epic philosophical poem laying out the beliefs of Epicureanism, De rerum natura, translated into English as On the Nature of Things or "On the Nature of the Universe".Virtually no details have come down concerning...

, Amafinius and Rabirius are the only Roman Epicurean writers named by Cicero

Cicero

Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

.

In his Academica, Cicero

Cicero

Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

 criticizes Amafinius and Rabirius from an elitist perspective for their unsophisticated prose style, and says that in their efforts to introduce philosophy to common people they end up saying nothing. He concludes indignantly: "they think there is no art of speechmaking or composition." Although Cicero in his writings is mostly hostile toward Epicureanism, his dear friend Atticus

Titus Pomponius Atticus

Titus Pomponius Atticus, born Titus Pomponius , came from an old but not strictly noble Roman family of the equestrian class and the Gens Pomponia. He was a celebrated editor, banker, and patron of letters with residences in both Rome and Athens...

 was an Epicurean, and this remark, occurring within a dialogue

Dialogue

Dialogue is a literary and theatrical form consisting of a written or spoken conversational exchange between two or more people....

, is attributed to the interlocutor

Interlocutor

Interlocutor may refer to:* Interlocutor , the master of ceremonies of a minstrel show* Interlocutor , someone who informally explains the views of a government and also can relay messages back to a government...

 Varro

Marcus Terentius Varro

Marcus Terentius Varro was an ancient Roman scholar and writer. He is sometimes called Varro Reatinus to distinguish him from his younger contemporary Varro Atacinus.-Biography:...

, not framed as Cicero's own view.