Objectivity cannot be equated with mental blankness; rather, objectivity resides in recognizing your preferences and then subjecting them to especially harsh scrutiny — and also in a willingness to revise or abandon your theories when the tests fail (as they usually do).
Stephen Jay Gould, The Lying Stones of Marrakech: Penultimate Reflections in Natural History
biology, evidence, evolution, objectivity, rationality, rigor, science, scrutiny