The Basis of Morality by Part 4 Chapter 2 Page 7

me also from his weal and woe. But in the first place, it should be observed that the knowledge we have Of our own selves is by no means exhaustive and transparent to its depths. By means of the intuition, which the brain constructs out of the data supplied by the senses, that is to say, in an indirect manner, we recognise our body as an object in space; through an inward perception, we are aware of the continuous series of our desires, of our volitions, which arise through the agency of external motives; and finally, we come to discern the manifold movements, now stronger, now weaker, of our will itself, to which all feelings from within are ultimately traceable.

And that is all: for the perceiving faculty is not in its turn perceived. On the contrary, the real substratum of our whole phaenomenal nature, our inmost