Cicero's Existence is a term used to refer to the life and works of Marcus Tullius Cicero, a Roman philosopher, politician, lawyer, orator, political theorist, consul, and constitutionalist. He was born in 106 BC and lived until 43 BC, making him one of the most influential figures of the Roman Republic. His works include speeches, letters, and philosophical treatises, which have been studied for centuries. The Latin word 'ESSE' translates to 'to be, ' which is an appropriate description of Cicero's existence.