There is an accurate ontological relationship between theoretical and practical wisdom in the Transcendent Philosophy. Based on the principiality of existence and gradation of being, the trans-substantial motion, and the corporeal createdness and spiritual subsistence of the soul, Mulla Sadra explains this relationship and the soulish change which results from it. The mutual influence of the thoughts, acts, intentions, and behaviors of an individual on each other in the course of the trans-substantial motion of the soul form the inner and real form of human beings. At the beginning of their creation, all individuals are from the same species; however, in their innermost and in the Hereafter, because of the domination of various habits over their souls, they turn into angelic, beastly, savage, or devilish human beings. The embodiment of Man’s otherworldly form and Ideal body are also proportionate to their soulish and moral habits. It is because in the Hereafter bodies are the shadows of souls. This is the same inner transformation or moral incarnation which has been mentioned in religious texts. Moreover, the soul’s trans-substantial motion, whether in the angelic path or in the, beastly, savage, or devilish path, is of the types of dressing after dressing. This is because the origin of inner and otherworldly wickedness is also a kind of gradedness in actuality. Therefore, it can be concluded that, based on the principles of Sadrian philosophy, Man’s inner and otherworldly transformation, is not of the type of impossible essential transformation.