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A great many things which in times of lesser knowledge we imagined to be superstitious or useless, prove today on examination to have been of immense value to mankind.

Lafcadio Hearn (2012). “Books and Habits from the Lectures of Lafcadio Hearn”, p.152, tredition
A great many things which in times of lesser knowledge we imagined to be superstitious or useless, prove today on examination to have been of immense value to mankind.