John Tyndall

The brightest flashes in the world of thought are incomplete until they have been proven to have their counterparts in the world of fact.
The brightest flashes in the world of thought are incomplete until they have been proven to have their counterparts in the world of fact.
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These are some quotes by English author John Tyndall Physicist, who lived between August 2, 1820 and December 4, 1893.