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But, had he gone no farther than this, Wundt could scarcely be excepted from the condemnation of his predecessors, or from that under which some of his scholars have fallen. For, plainly, it could be objected that he had omitted the two most remarkable facts of consciousness which, stated synoptically, are its intensive or individual centralization, and its extensive development in society. These aspects of the matter tend to get beyond psychological management, as they assuredly raise ultimate philosophical problems. Wundt's high distinction is attributable mainly to his recognition of and attack upon these difficulties. So, his psychology offers a second, and broader, side, set forth, for example, in his excursus entitled "Philosophie und Wissenschaft" ("Essays," 1881), and present as a constructive, possibly a disturbing, element, in his entire purview of the psychological field. For instance, in his "System," the theory of the "growth of mental values" bears precisely upon these questions. "Mental life is, extensively and intensively, governed by a law of growth of values: extensively, inasmuch as the multiplicity of mental developments is always on the increase; intensively, inasmuch as the values which appear in these developments increase in degree."[2] And, on the strictly psychological side, he takes note of the same things as follows: