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Continue to ChatWithout the knowledge of the true number of the people, as a principle, the whole scope and use of keeping bills of birth and burials is impaired; wherefore by laborious conjectures and calculations to deduce the number of people from the births and burials, may be ingenious, but very preposterous. - William Petty from https://whatsmyquote.com/quote/without-the-knowledge-of-the-true-number-of-the-people-as-a-principle-the-whole-scope-and-use-of-keeping-bills