Machiavellianism a life of writing, which led to the publishing of his most famous work, "The Prince." The book would become infamous for its recommendation for rulers to be ready to act in unscrupulous ways, such as resorting to deceit and cunning, political assassination, and the usage of fear as a means of keeping order. In the 16th century, immediately following the publication of "The Prince", Machiavellianism was seen as a foreign plague infecting northern European politics, originating in Italy, and having first infected France. It was in this context that the St. Bartholomew's Day massacre of 1572 in Paris came
Niccolò Machiavelli ruler. Machiavelli has become infamous for such political advice, ensuring that he would be remembered in history through the adjective, "Machiavellian". Notwithstanding some mitigating themes, the Catholic Church banned "The Prince", putting it on the "Index Librorum Prohibitorum". Humanists also viewed the book negatively, including Erasmus of Rotterdam. As a treatise, its primary intellectual contribution to the history of political thought is the fundamental break between political realism and political idealism, due to it being a manual on acquiring and keeping political power. In contrast with Plato and Aristotle, Machiavelli insisted that an imaginary ideal society is not a model