'[It has] an outward and an inward, and for each of them is an outward and an inward. For every limit there is a rising place. Its outward is elegant and its inward is deep. Its marvels do not perish, its wonders do not end, and its benefits are not exhausted. It is the rising places of blessings, the lamps of darknesses, and the keys of words. Good deeds are not opened except by its key, and afflictions are not uncovered except by its inward meanings. In it is the science of what was and what shall be.'

The Science of Natures and Astronomy

The Governor asked: 'So what do you say regarding the Natures (al-Ṭabā'i')?' My master said: 'And what is the science of Natures? And to what does it lead?' He said: 'To the knowledge of the Primary Matter (al-Hayūlā), the investigations (al-istiqṣā'āt), the varying proportional natures, the manner of compositions, the knowledge of moderation (al-i'tidāl), the correctness of the method, the balance of the temperament (al-mizāj), the support of the system of bodies, and safety amidst current accidents and destructive symptoms. It leads to the causes of afflictions, ailments, madness, obsessive whispering, blindness, muteness, deafness, leprosy, tubercular disease, and an evil return.' My master said: 'Indeed, the moderation of bodies, their system, their support, and the causes of ailments, destructive accidents, illnesses, disease, and an evil return are only acquired by evil action and opposition to the sent Prophet.'

The Governor said: 'Then you must know the science of Astronomy ('ilm al-Hay'a).' My master said: 'And what is the science of Astronomy and to what does it lead?' The Governor said: 'To the knowledge of celestial events and heavenly causes; what occurs during planetary positions (al-maqālāt), and what flows during conjunctions of influences from the world of generation and corruption—of fortunes and misfortunes, prosperity and adversity, heat and rains, thunders and lightnings, ruin and civilization.' My master said: 'Indeed, Allah —