Critique of Judgement by Immanuel Kant Chapter 85 Page 4

therein is and must be always considered only as conditioned in nature, and it consequently cannot inquire into the purpose for which nature itself exists (for which the ground must be sought outside nature), — notwithstanding that it is upon the determinate Idea of this that the determinate concept of that Supreme Intelligent World Cause, and the consequent possibility of a Theology, depend.

What the things in the world are mutually useful for; what good the manifold in a thing does for the thing; how we have ground to assume that nothing in the world is in vain, but that everything in nature is good for something, — the condition being granted that certain things are to exist (as purposes), whence our Reason has in its power for the Judgement no other principle of the possibility of the