The good lawgiver should inquire how states and races of men and communities may participate in a good life, and in the happiness which is attainable by them.
AristotleWhereas happiness is the highest good, being a realization and perfect practice of virtue, which some can attain, while others have little or none of it, the various qualities of men are clearly the reason why there are various kinds of states and many forms of government; for different men seek after happiness in different ways and by different means, and so make for themselves different modes of life and forms of government.
AristotleFor through wondering human beings now and in the beginning have been led to philosophizing.
AristotleThe student of politics therefore as well as the psychologist must study the nature of the soul.
Aristotle