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" Consciousness knows something; this something is the essence or is per se. This object, however, is also the per se, the inherent reality, for consciousness. Hence comes ambiguity of this truth. Consciousness, as we see, has now two objects: one is the first per se, the second is the existence for consciousness of this per se. The last object appears at first sight to be merely the reflection of consciousness into itself, i.e. an idea not of an object, but solely of its knowledge of that first object. But, as was already indicated, by that very process the first object is altered; it ceases to be what is per se, and becomes consciously something which is per se only for consciousness. Consequently, then, what this real per se is for consciousness is truth: which, however, means that this is the essential reality, or the object which consciousness has. This new object contains the nothingness of the first; the new object is the experience concerning that first object. "
― Georg Wilhelm Friedrich Hegel , Phenomenology of Spirit