realities—though in strange forms. Predestination, original sin, the 'primacy of Satan in this world,' were a good deal nearer the truth than the comfortable optimism which culminates in Pope's doctrine 'Whatever is, is right.' Adherence to fact is the base of his philosophy. Agnosticism according to him means simply that you are not to accept as an established fact anything not fairly proved. It led to conclusions which appeared paradoxical to some readers. He used, as he says, 'materialistic terminology,' and repudiated materialistic philosophy. Physiology proves that, in fact, the brain is a mechanism and the organised body an automaton. Psychology shows equally that every phenomenon must, as a fact, be an affection of the mind; you must neither pervert nor go beyond fact. Materialism and Spiritualism are 'opposite poles of the same absurdity'—the absurdity of assuming that we know anything about either spirit or matter. The controversy is the result of trying to transcend the necessary limits of thought. The striking essay upon 'Evolution and Ethics' brings out another contrast. Evolution, he maintains, 'accounts for morality,' but the principle of evolution is not 'the ethical principle.' The ethical progress 'of