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A. Bronson Alcott: In things pertaining to enthusiasm, no man is sane who does not know how to be…

In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.

In today’s wordsIn matters of enthusiasm, nobody is sane who doesn't know how to be a little crazy on the right occasions.

A. Bronson AlcottCommonly attributed
Source
From the book Quoted in Dictionary of Quotations from Ancient and Modern, English and Foreign Sources, compiled by James Wood, 1893

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