Reﬂection does not follow in the reverse direction a path already traced by the constitute act, and the natural reference of the stuff to the world leads us to a new conception of intentionality, since the classical conception, which treats the experience of the world as a pure act of constituting consciousness, manages to do so only in so far as it defines consciousness as absolute non being, and correspondingly consigns its contents to a 'hyletic layer' which belongs to opaque being.