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
Machiavellianism of Prussia and patron of Voltaire, rebutting "The Prince", and Machiavellianism. It was first published in September 1740, a few months after Frederick became king, and is one of many such works. Denis Diderot, the French philosopher, viewed Machiavellianism as "an abhorrent type of politics" and the "art of tyranny". Machiavellianism is also a term that some social, forensic and personality psychologists use to describe a person's tendency to be unemotional, and therefore able to detach themself from conventional morality and hence to deceive and manipulate others. In the 1960s, Richard Christie and Florence L. Geis developed a test for