Page:The Education of Henry Adams (1907).djvu/413

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THE GRAMMAR OF SCIENCE
399

weary Titan of Unity, differed in nothing essential from the kinetic theory of a perfect gas.

Since monkeys first began to chatter in trees, neither man nor beast had ever denied or doubted Multiplicity, Diversity, Complexity, Anarchy, Chaos. Always and everywhere the Complex had been true and the Contradiction had been certain. Thought started by it. Mathematics itself began by counting one—two—three; then imagining their continuity, which M. Poincaré was still exhausting his wits to explain or defend; and this was his explanation:—“In short, the mind has the faculty of creating symbols, and it is thus that it has constructed mathematical continuity which is only a particular system of symbols.” With the same light touch, more destructive in its artistic measure than the heaviest-handed brutality of Englishmen or Germans, he went on to upset relative truth itself:—“How should I answer the question whether Euclidian Geometry is true? It has no sense! . . . . Euclidian Geometry is, and will remain, the most convenient.”

Chaos was a primary fact even in Paris—especially in Paris,—as it was in the Book of Genesis; but every thinking being in Paris or out of it had exhausted thought in the effort to prove Unity, Continuity, Purpose, Order, Law, Truth, the Universe, God, after having begun by taking it for granted, and discovering, to their profound dismay, that some minds denied it. The direction of mind, as a single force of nature, had been constant since history began. Its own unity had created a universe the essence of which was abstract Truth; the Absolute; God! To Thomas Aquinas, the universe was still a person; to Spinoza, a substance; to Kant, Truth was the essence of the “I;” an innate conviction; a categorical imperative; to Poincaré, it was a convenience; and to Karl Pearson, a medium of exchange.

The historian never stopped repeating to himself that he knew nothing about it; that he was a mere instrument of measure, a barometer, pedometer, radiometer; and that his whole share in the matter was restricted to the measurement of thought-motion as marked by the accepted thinkers. He took their facts for granted. He knew no more about rays than about race,—or sex,—or ennui,—or a bar of music,—or a pang of love,—or a grain of musk,—or conscience,—or duty,—or the force of Euclidian geometry,—or non-Euclidian,—or heat,—or light,—or