Emotion is our name, in fact, for the psycho-material "stuff" out of which the organic substratum of the soul is made. And since this "stuff" is eternally divided against itself into a positive and a negative "pole" we are compelled to assert that our ultimate analysis of the system of things is dualistic, in spite of the fact that the whole drama takes place under the one comprehensive unity of space. When we say that the totality of the soul becomes will, reason, imagination, conscience, intuition and so forth, we do not mean that by becoming any one of these single things it is prevented from becoming others. We are confronted here by a phenomenon of organic life which, however inexplicable, is of frequent occurrence in human experience. The ecclesiastical dogma of the Trinity is no fantastic invention of this or the other theologian. It is an inevitable definition of a certain body of human experience to which it affords a plausible explanation. What the philosophy of the complex vision attempts to do is to analyse into its component parts that confused mass of contradictory impressions to which the soul awakens as soon as it becomes conscious of itself at all. The older philosophers begin their adventurous journey by the discovery and proclamation of some particular clue, or catchword, or general principle, out of the rational necessity of whose content they seek to evoke that living and breathing universe which impinges upon us all. Modern philosophy tends to reject these Absolute "clues," these simplifying "secrets" of the system of things; but in rejecting these it either substitutes its own hypothetical generalizations, such as "spirit," "life-force," or "cosmic energy," or it contents itself with noting, as William James does, the more objective grouping of states of consciousness, as they weave their pattern on the face of the swirling waters, without regard to any "substantial soul" whose background of organic life gives these "states" their concrete unity.