The essence of Darwinism lies in a single phrase: natural selection is the creative force of evolutionary change. No one denies that selection will play a negative role in eliminating the unfit. Darwinian theories require that it create the fit as well.’

Stephen Jay Gould (Professor of Geology and Paleontolgy, Harvard University), ‘The return of hopeful monsters’. Natural History, vol.86, June/July 1977, p.28.