Reconstruction in Philosophy

PHILOSOPHY starts from some deep and wide way of responding to the difficulties life presents, but it grows only when material is at hand for making this practical response conscious, articulate and communicable. Accompanying the economic, political and ecclesiastical changes which were alluded to in an earlier lecture, was a scientific revolution enormous in scope and leaving unchanged almost no detail of belief about nature, physical and human. In part this scientific transformation was produced by just the change in practical attitude and temper. But as it progressed, it furnished that change an appropriate vocabulary, congenial to its needs, and made it articulate. The advance of science in its larger generalizations and in its specific detail of fact supplied precisely that intellectual equipment of ideas and concrete fact that was needed in order to formulate, precipitate, communicate and propagate the new disposition. Today, accordingly, we shall deal with those contrasting conceptions of the structure and constitution of Nature, which when they are accepted on the

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