He makes his own shoes and clothes from the skins of animals, and studies the stars. He reaches a higher level of knowledge, of the finest of astrologists. His continuous explorations and observation of creatures and the environment lead him to gain great knowledge in natural science, philosophy, and religion. He concludes that, at the basis of the creation of the universe, a great creator must exist. Ḥayy ibn Yaqẓān lived a humble modest life as Sufi and forbade himself from eating meat.