“[W]hen the law is reached... it must be tested and criticised by its discoverer in every conceivable way, till he is certain that the imagination has not played him false, and that his law is in real agreement with the whole group of phenomena...”

—  Karl Pearson , book The Grammar of Science

Introductory
The Grammar of Science (1900)

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Karl Pearson 65
English mathematician and biometrician 1857–1936

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