There cannot be a consciousness without it's being located; it is an awareness of something relative to something. There can be no single 'sciousness', a pure distinguishing or cutting-out without anything to be cut out from, but always a relationship of awarenesses, one inside the other. But you are used to taking the world-thought, something really quite late onto the scene, as the basis or the base from which your consciousness stands out, as something whose reliability and constancy defines your shadow-like evanescence. But what is not consciousness cannot be the basis for consciousness since it is by definition unknowing and unknown, only consciousness can be its own boundary. This is the strongest argument for idealism and is absolutely evident when seen in the right way, (crescendo) and entirely unconvincing when seen in the habitual way as secondary to the world's being (diminuendo). Even a consciousness that was far below the level of reflection would have to knowingly be its own foundation. Reflection obscures this by interposing an inapt model of self-founding for which infinite regression would seem an insuperable barrier. The burden of proof needs to be turned completely around.