The Europeans received a lot of valuable scientific knowledge from the Arabs. The works of Arab mathematicians, physicians and astronomers served as a guide for scholars of medieval Europe. The numbers, the counting system, the names of the stars were received from the Arabs. Avicenna’s writings were important for medicine. Many works of ancient Greek scientists and writers, as well as thinkers from the countries of the Caliphate, are known thanks to the Arabs.
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.