Complex sentence: His work was a culmination of earlier works by Muslim thinkers in the spheres of Islamic ethics, political science, and historiography, such as those of al-Farabi, Ibn Miskawayh, al-Dawwani, and Nasir al-Din al-Tusi.
Split into simpler sentences: His work was a culmination of earlier works by Muslim thinkers! Islamic philosophy in the spheres of Islamic ethics, political science, and historiography, such as those of al-Farabi, Ibn Miskawayh, al-Dawwani, and Nasir al-Din al-Tusi.