SUMMARY TO BOOK III 253

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these inquiries to find in a single appearance of life the
meaning of the whole. The appearance selected was money.
 It has been related to the outstanding phenomena of
the social and cultural world, to liberty and rationalism,
and to the most profound currents of individual life and
of history. It has been shown to be the functional category
 of modern civilization and the symbol of the forms
and movements of modern thought,

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