All natural faculties of a creature are destined to un fold completely and according to their end
External observation and analysis confirm this proposition concerning all authority. An organ that is not to be used, a regulation that does not accomplish its purpose, these are self contradictions in the teleological theory of nature. If we abandon this principle, we no longer have a nature working according to laws, but an aimlessly playing nature. Then the hapless accident takes the place of reason as guide.