If evolution almost always occurs by rapid speciation in small, peripheral isolates, then what should the fossil record look like? We are not likely to detect the event of speciation itself. It happens too fast, in too small a group, isolated too far from the ancestral range.
Stephen Jay GouldScience is not a heartless pursuit of objective information; it is a creative human activity.
Stephen Jay GouldThe equation of evolution with progress represents our strongest cultural impediment to a proper understanding of this greatest biological revolution in the history of human thought.
Stephen Jay Gould