أمير عبد العزيز، دار إبن حزم

Then came the time of the Umayyad and 'Abbasid States, and what resulted from it as important and grandiose events which saw the emergence of science, good and equality, without forgetting the seditions and the vicissitudes which marked this period. and which were provoked by the seditious and the innovators, numerous at that time. We will review all the events and facts that have marked the history of history, one after the other, up to the present day, with all that these centuries have carried as hardships and harmful situations with which were strongly tested the Muslims because of their negligence, first, and then because of the conspiracies and machiavellian plans hatched by the enemies of Islam and the Muslims throughout their history.

That said, the author preferred to treat all these events in a concise and summary way, far from prolixity and redundancy, in order to attract a greater number of readers among educated and cultured people, knowing that prolixity and redundancy are likely to leave and discourage readers. Such is the minimum effort that the author could make.