It is originally a thesis from works of Ibn Khaldun, 14th century Muslim scholar from Tunisia who is considered a father of sociology and athropology..
Ibn Khalodoun had described a cycle of four generations of rulers and his theory echoes in Fourth Turning theory nowadays.
Ibn Khalodoun had described a cycle of four generations of rulers and his theory echoes in Fourth Turning theory nowadays.
So nihil novi sub sole...
https://en.wikipedia.org/wiki/Ibn_Khaldun