The central concern of political science is the state – it is the means through which people can meet their necessities of life and can strive for good life.
Aristotle – “Man is by nature a political being; it is his nature to live in a polis” wherein alone he could attain his highest moral nature.
Plato – state existed for the purpose of seeking common good and moral perfection.
Karl Marx (1818 – 1883) - The state is a product of class contradictions and class struggle and is controlled by the economically dominant class.