“True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions.” PropositionsInquiryHypothesisSuggesting Book:The Meteorological Work of the U. S. Signal Service, 1870 to 1891 Source: The Meteorological Work of the U. S. Signal Service, 1870 to 1891