All evolutionary biologists know that variation itself is nature's only irreducible essence... I had to place myself amidst the variation.
Stephen Jay GouldSome evolutionists will protest that we are caricaturing their view of adaptation. After all, do they not admit genetic drift, allometry, and a variety of reasons for nonadaptive evolution?
Stephen Jay GouldOur searches for numerical order lead as often to terminal nuttiness as to profound insight.
Stephen Jay GouldScience can't tell us what our life means ethically. It can't tell us what we are meant to do as moral creatures. But, insofar as science can understand what we're made of, and what we're related to, the Darwinian revolution completely revised our ideas about who we are and what we're related to and how long we've been here and why we're on this Earth.
Stephen Jay Gould