8. If there were a body outside of our world, and if an eye observed it from here without any obstacle, it is doubtful that the eye could see that body, because the eye would have no affection common to it; for community of affection is caused by the coherence of the single organism (that is, the unity of the world). Since this community of affection (or, sympathy), supposes that sense-objects and that the senses belong to the single organism, a body located outside of the world would not be felt, unless it were part of the world. In this case, it would be felt. If it were not a part of the world, but yet by its color and other qualities it was conformed to the organ that was to cognize it, would it be felt? No, it would not be felt, that is, if such a hypothesis (of a body located outside of the world) were at all admissible. If however, anyone should refuse to admit such a hypothesis, he would pretend that it is absurd that the eye should not see the color located in front of it, and that the other senses do not perceive the qualities before them. That is the reason of its absurdity. For we are active or passive only because we are integral parts of the single organism, and are located within it. Is anything still left to be considered? If what we have said suffices, our demonstration is finished; otherwise we shall have to give still further proofs to support our proposition. SENSATION IS LIMITED TO COMMON INTEGRAL PARTS OF THE UNIVERSE. Every organism is coherent (that is, is sympathetic with itself). In the case of a single organism, our demonstration suffices, and all things will experience common affections so far as they constitute parts of the single organism. The plea that a body exterior to the world could be felt because of its resemblance (is ill-founded because perception is characteristic of an organism and because it is the organism that possesses perception. For its organ resembles (the perceived object); thus sensation would be the perception presented to the soul by means of organs similar to the perceived objects. If then the organism feel not only its contents, but also objects resembling them, it will perceive these things by virtue of its organic nature; and these things will be perceived not because they are contents thereof, but by virtue of their resemblance thereto. It seems rather that perceived objects must be perceived in the measure of their resemblance, because the soul has familiarized herself with them, and has assimilated them to herself. If then the soul which has assimilated these objects to herself differ from them, the things which were supposed to have become assimilated to her will remain entirely foreign to her. The absurdity of this consequence shows us that there is a flaw in the hypothesis; for it affirms simultaneously that the soul exists, and does not exist, that the things are both conformable and different, similar and dissimilar. Since then this hypothesis implies