Because of destiny, the touch sensation, the interactions of air, and the situation of the mind, which is produced of the ethereal element, one receives a body according to his previous activities. Needless to say, a living entity transmigrates from one form to another. His form changes according to destiny and by the arrangement of a superior authority which controls the interaction of air and the mental situation. Form is the combination of different types of sense perception. Predestined activities are the plans of the mental situation and the interaction of air.