Now if we find instances in the world of an order adapted to ends, and if, as reason inevitably requires, we subordinate the ends which are only conditionally ends, to one that is unconditioned and supreme, that is to a final end, we readily see, to begin with, that we are then not dealing with an end of nature, included within nature taken as existent, but with the end of the existence of nature itself, with all its orderly adaptations included.