Necessity is literally the mother of invention.
What I say is that 'just' or 'right' means nothing but what is in the interest of the stronger party.
The god is the beautiful.
According to Greek mythology, humans were originally created with four arms, four legs and a head with two faces. Fearing their power, Zeus split them into two separate parts, condemning them to spend their lives in search of their other halves.
He who can properly define and divide is to be considered a god.
He who is not a good servant will not be a good master.