VI. The Age of Kant and Goethe
The situation is different when we meet the entities in nature to which the purpose concept is not merely to be attributed as accidental but that carry this purpose really within themselves. There are also entities of this kind according to Kant's opinion. They are the organic beings. The necessary law-determined connections are insufficient to explain them; these, in Spinoza's world conception are considered not only necessary but sufficient, and by Kant are considered as those of the human mind itself. For an “organism is a product of nature in which everything is, at the same time, purpose, just as it is cause and also effect.” An organism, therefore, cannot be explained merely through rigid laws that operate with necessity, as is the case with inorganic nature. It is for this reason that, although Kant himself had, in his General Natural History and Theory of the Heavens, undertaken the attempt to “discuss the constitution and the mechanical origin of the entire world structure according to Newtonian principles,” he is of the opinion that a similar attempt, applied to the world of organic beings, would necessarily fail. In his Critique of Judgment, he advances the following statement: