Page:Bergson - Matter and Memory (1911).djvu/12

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INTRODUCTION

only by limiting the range and value of our senses and of our understanding. The criticism of Kant, on this point at least, would have been unnecessary; the human mind, in this direction at least, would not have been led to limit its own range; metaphysics would not have been sacrificed to physics, if philosophy had been content to leave matter half way between the place to which Descartes had driven it and that to which Berkeley drew it back—to leave it, in fact, where it is seen by common sense.

There we shall try to see it ourselves. Our first chapter defines this way of looking at matter; the last sets forth the consequences of such a view. But, as we said before, we treat of matter only in so far as it concerns the problem dealt with in our second and third chapters, that which is the subject of this essay: the problem of the relation between soul and body.

This relation, though it has been a favourite theme throughout the history of philosophy, has really been very little studied. If we leave on one side the theories which are content to state the 'union of soul and body' as an irreducible and inexplicable fact, and those which speak vaguely of the body as an instrument of the soul, there remains hardly any other conception of the psycho-physiological relation than the hypothesis of 'epiphenomenalism' or that of 'parallelism,' which in practice—I mean in the interpretation of particular facts—both end in the same conclusions.