Both light and shadow (two visions) that had always been dwelling in history, are the reason of abilities being regarded wether as superior or inferior. But those who unfairly obtain this superiority, will eventually destroy themselves as it's would be too much for their own vessel to handle.
From the moment humans come into this world, they already are not living in an environment of fairness. There's disparity of wealth in the family each human is born to, which makes some spend wasteful amount of time dealing with unnecessary hardships.
"The ones who have ability, provide strength to the earth" "The ones who have ability, posses a clear dream.
Human always establish themselves over other humans, the ones who don't have ability overwhelm the ones who have ability. in order to protect themselves, they will use their connections to have everything their own way. The world will eventually follow the road to destruction.
Those who only believe only in what they can see, they live without understanding the quality of things. those without the ability are deceived by the surface of things, they might even not understand reality at all.