books.google.com - "But it?'s not that simple, argues Henri Poincare in the preface to Science and Hypothesis, his exposition on hypothesis and its place in the physical sciences. To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection. And so, in...http://books.google.com/books/about/Science_and_Hypothesis.html?id=2QXqHaVbkgoC&utm_source=gb-gplus-shareScience and Hypothesis