That is...
That is, the wisdom found in every particle of these two realms of being (kawn) guides to the greatness and perfection of their Originator, until one witnesses the light of His creativity in every individual particle: We shall show them Our Signs on the horizons and in their selves until it is manifest unto them that it is the truth. (41:53). And after that is attaining to the witness of Divine Glory over everything else from among the creation: ...
Does it not suffice that thy Lord is witness over all things? (41:53) so that its manifestation in every particle is disclosed.
As to the 'signs on the horizons,' they pertain to the knowledge of all existents apart from God as they really are, and the wisdom in each being, perceivable in accordance with human capacity, such as [is disclosed by] the science of astronomy, the [study oft the heavens, the stars and the motions and configurations of each of them, the measurements and dimension of bodies and their properties, the science of the lower world, the compositions and interactions of elements in respect of form and quality, the formation of dispositions, the composition of mineral, plant and animal constitutions and formations, the celestial and terrestrial spirits, the sources of motion of each of them and that which occurs in them and is caused by them of the contraries and opposites, as well as their specific and common properties, and the relevant sciences of numbers, quantities, and that which pertains to them.
As to the signs within the soul,' they pertain to the sciences of the bodies and the souls, known through the study of anatomy of simple tissues, such as bones, muscles, nerves, and veins and that which is beneficial for them, such composite organs as the main and subservient members and the auxiliaries of each of them, the bodily members and the study of the faculties and actions of each of them and their states, such as health and disease, the science of the soul and the character of its relation to the body, their actions and mutual interactions, the causes of deficiency and perfection of each of them and the factors responsible for their worldly or otherworldly felicity and wretchedness and all that which pertains to these.
These constitute the preliminaries of this journey of contemplation. As to the goal and destination of this journey-as will be known in later chapters and sections-it is the attainment of the ultimate degree of perfection.