The idea of power politics and reason of state is the most interesting issues in the political systems of the world. The politics of the world is, mainly, regulated by the notions of power politics and reason of state. The philosophy of power politics and reason of state is associated with the works of Niccolò Machiavelli in the early 16th century. Machiavelli, in his distinguished books The Prince and the Discourses on Livy, discussed about power politics and reason of state. For him, power=politics. Through this radical way of thinking he creates a new moral paradigm(continent)in the sphere of world politics by breaking the medieval tradition of Utopia.