The apparent is revealed to inner meanings. And the Shi'a call was built upon the perception of deep meanings. Philosophy is more suited to it. The great civilization and deep philosophy that sprouted in the Fatimid and Shi'a era, including the Epistles of the Brethren of Purity and similar works in the East, were a product of Shi'ism. Likewise, in the Almohad era, the two great philosophers Ibn Tufayl and Ibn Rushd emerged. Philosophy flourished in Andalusia, whereas it had been forbidden before. As for Ibn Tufayl, he was a young man in Granada. He was then appointed secretary to the governor of Granada before the Almohads. He is the one who produced the famous and wonderful story called "Hayy ibn Yaqzan." Its essence is that this Hayy was born an orphan on an island devoid of people, but he was gifted with a discerning intellect. He connected with nature and began to understand it little by little without instruction. He was able, with his intellect alone, to understand its secrets from nature and realized that it could not be without a maker. Therefore, there must be a God with specific attributes related to its order and its laws. Then, on one of the islands, he met a believing man who had learned the knowledge of the prophets from a righteous man. Hayy saw that the teachings he had arrived at through his thought and nature agreed with the teachings of this man who had learned through religion. The essence of this is that