For more than a century, people have often thought that the conclusion to draw from Darwin's vision is that Homo sapiens, our species - and we're just animals too, we're just mammals - that there is nothing morally special about us. I myself don't think this follows at all from Darwin's vision, but it is certainly the received view in many quarters.
Daniel DennettWherever there is a design that is highly successful in a broad range of similar environments, it is apt to emerge again and again, independently - the phenomenon known in biology as convergent evolution. I call these designs 'good tricks.'
Daniel DennettPhilosophers are never quite sure what they are talking about - about what the issues really are - and so often it takes them rather a long time to recognize that someone with a somewhat different approach (or destination, or starting point) is making a contribution.
Daniel Dennett