But our ways of learning about the world are strongly influenced by the social preconceptions and biased modes of thinking that each scientist must apply to any problem. The stereotype of a fully rational and objective scientific method, with individual scientists as logical (and interchangeable) robots, is self-serving mythology.
Stephen Jay GouldBut we all recognise the primary foible of frail humanity - our propensity for embracing hope and shunning logic, our tendency to believe what we desire rather than what we observe.
Stephen Jay GouldThe invalid assumption that correlation implies cause is probably among the two or three most serious and common errors of human reasoning.
Stephen Jay GouldWhy, then, do I continue to claim that creationism isn't science? Simply because these relatively few statements have been tested and conclusively refuted.
Stephen Jay GouldAll evolutionary biologists know that variation itself is nature's only irreducible essence... I had to place myself amidst the variation.
Stephen Jay GouldNatural selection is just three factors - over-production, variation, and inheritance combined to produce adaptation to changing local environments. It's not a principle or progress; it's just a principle of local adaptation. You don't make better creatures in any cosmic sense; you make creatures that are better suited to the changing climates of their local habitats.
Stephen Jay Gould