It should be known that at the beginning of a dynasty, taxation yields a large revenue from small assessments. At the end of a dynasty, taxation yields a small revenue from large assessments.Ibn Khaldun1377★ 2.0
Man is a child of the customs and the things he has become used to. He is not the product of his natural disposition and temperment. The conditions to which he has become accustomed, until they have become for him a quality of character and matters of habit and custom, have replaced his natural disposition.Ibn Khaldun1377★ 1.2