of moral impulses. This mordant scepticism which is not directed against any false doctrine in particular, but against human capacity to recognise morality resolves itself finally into nothingness, it is no more than mere nihilism. It flatters itself that it can attain supremacy and give free rein to unprincipled pleasures by destroying moral ideas and creating chaos. It is greatly deceived, however, if merely pointing at the inevitable fate of the intellect with respect to error and truth is sufficient to show by analogy that natural liability to error does not exclude the arriving at a correct decision but rather tends to that end."
Up to now we have not commented upon Herr Duehring's pompous opinions on final truths of the last instance, sovereignty of the will, absolute certainty of knowledge, and so forth, until the matter could first be brought to an issue. Up to this point the investigation has been useful to show how far the separate assertions of the philosophy of realism had "sovereign validity" and "unrestricted claim to truth" but we now come to the question if any and what product of human knowledge can have in particular "sovereign validity" and "unrestricted claims to truth." If I speak of human knowledge I do not do so as an affront to the dwellers in other worlds whom I have not the honor to know, but only because animals have knowledge also, not sovereign, however. The dog recognises a divinity in his master, who may, however, be a great fool.
"Is human thought sovereign?" Before we can answer "yes" or "no" we must first examine what human thought is. Is it the thought of an individual man? No. It exists only as the individual thoughts of many millions of men, past, present and to come. If I now say, having comprehended the thought of all men
