In the 16th-17th centuries, Iran was ruled by the Turkish dynasty of Kizilbashi – the same as the Ottoman dynasty in the place of Byzantium, but professing the Shiite faith (like most Persians), and not the Sunni faith (like the Ottoman Turks). Based on this religious discord, the Kizilbashi managed to mobilize against the Ottoman Turks the long-standing hatred of the Persians for the Romans.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.