Chance , one would say , produced an innumerable multitude of individuals ; a small number found themselves constructed in such a manner that the parts of the animal were able to satisfy its needs ; in another infinitely greater number , there was neither fitness nor order : all of these latter have perished .
Chance , one would say , produced an innumerable multitude of individuals ; a small number found themselves constructed in such a manner that the parts of the animal were able to satisfy its needs ; in another infinitely greater number , there was neither fitness nor order : all of these latter have perished ... The species we see today are but the smallest part of what blind destiny has produced ... Evidence of universal common descent .