After a time, unfortunately a long time, it began to be perceived, that what was thus represented as the object of the mind in the formation of classes, was chimerical and absurd; when a set of inquirers appeared, who denied the existence of all such objects, affirmed that ideas were all individual, and that nothing was general but names. The question rose to the dignity of a controversy; and to the hateful violence of a religious controversy. They who affirmed the existence of general ideas were called Realists, they who denied their existence Nominalists. There can be no doubt, that of the two the Nominalists approached, by far, the nearest to the truth; and their speculations tended strongly to remove from mental science the confusion in which the total misapprehension of abstract terms had involved it. But the clergy brought religion into the quarrel, and as usual on the wrong side. Realism was preached as the doctrine which alone was consistent with orthodoxy; the Nominalists were hunted down; and persecution, well knowing her object, clung to the books as well as the men; so that the books of the Nominalists, {251} though the art of printing tended strongly to preserve them, were suppressed and destroyed, to such a degree, that it is now exceedingly difficult to collect them; and not easy to obtain copies even of the most remarkable. The opinion, that the particulars in which the individuals of a class agree were distinct Objects of the Mind, soon made them distinct EXISTENCES; they were the Essence of things; the Eternal Exemplars, according to which individual things were made; they were called UNIVERSALS, and regarded as alone the Objects of the Intellect. They were invariable, always the same; individuals, not the objects of intellect but only the low objects of sense, were in perpetual flux, and never, for any considerable period, the same. Universals alone have Unity; they alone were the subject of science; Individuals were innumerable, every one different from another; and cognoscible only by the lower, the sensitive part of our nature.