The Greek thought found a warm reception with the Fatimids who expanded the boundaries of such studies. They paid much attention to philosophy and gave support to everyone who was known for being engaged in the study of any branch of philosophy. The Fatimid Caliph invited many scholars from nearby countries and paid much attention to college books on various branches of knowledge and in gathering the finest writing on various subjects and this in order to encourage scholars and to uphold the cause of knowledge.