What does Ibn Khaldun say about the third generation of rulers?

I came across this passage in the Muqaddimah of Ibn Khaldun yesterday on the plane: "As for the third generation, they forget the age of nomadism and rough life as if it never was and they lose the sweetness of glory and asabiyyah due to what they find themselves in from repression and extravagance among them reach its extreme due to luxury and ostentation of living and they become a burden on the state..."