Hans Sloane Professions : Physician Born : April 16, 1660 Died : January 11, 1753 Browse All Authors Famous Quotes by Hans Sloane The knowledge of Natural-History, being Observation of Matters of Fact, is more certain than most others, and in my slender Opinion, less subject to Mistakes than Reasonings, Hypotheses, and Deductions are; ... These are things we are sure of, so far as our Senses are not fallible; and which, in probability, have been ever since the Creation, and will remain to the End of the World, in the same Condition we now find them. Hans Sloane mistake science knowledge Similar Authors Abram Hoffer physician Buwei Yang Chao physician Broda Otto Barnes physician Brian Day physician Anna Komnene physician Axel Munthe physician All Authors