"Catiline's Conspiracy and Jugurthine War" is the work of the ancient Roman historian and politician Sallust, which reveals two significant events for the Roman Republic in the first half of the 1st century BC. The author describes the conspiracy organized by the Roman patrician Lucius Sergius Catiline to seize power in Rome, as well as the struggle against Jugurtha, the king of Numidia, who waged war against the Roman state. Sallust aptly analyzes the philosophy and moral aspects of treason and crime, and also reveals how the decision of the leaders of the time affected future events in the history of the Roman state. His work always leaves readers in awe of its depth, revealing of characters and stylistic skill. "Catiline's Conspiracy and the Yugurtyn War" is not only a historical narrative, but also an excellent analysis of human nature and political intrigue.