Plato, men fell by nature into three classes. In some individuals, he believed mere appetites dominated. He assigned them to the labouring and trading classes. Others revealed to him that over and above appetites, they have a courageous disposition. He classed them as defenders in war and guardians of internal peace. Others showed a capacity to grasp the universal reason underlying things. He made them the law-givers of the people. The criticism to which Plato's Republic is subject, is also the criticism which must apply to the system of Chaturvarnya,
