The division of society in Pygmalion

Since almost the beginning of civilisation, people have been divided into social classes. There was always an upper class; rich, powerful and in control. Then there was a middle class; less comfortably off than the upper class, and certainly less powerful, but respected nonetheless. Last of all (and usually least) the lower working class making up the majority of people, rarely having the necessities of life and never considered by other classes no matter how …

…treated as a Duke, there wouldn't be inequality because even money can't control people's kindness. In the Bible it is stated that in the eyes of God we are all equal, no matter how we speak, what our financial status is, or what we dress in, that love cannot be bought and sold, but only given, so doesn't it mean that our manners towards each other determine whether we are of higher or lower class?