Full Idea
What is required is to show that everything that is effective (nature, the world of things) is grounded in activity, life, freedom.
Gist of Idea
We must show that the whole of nature, because it is effective, is grounded in freedom
Source
Friedrich Schelling (Of Human Freedom [1809], p.351), quoted by Jean-François Courtine - Schelling
Book Reference
'A Companion to Continental Philosophy', ed/tr. Critchley,S/Schroeder,W [Blackwell 1999], p.87
A Reaction
I take the ancestor of this view of nature to be the monads of Leibniz, as the active principle in nature. Because this is an idealist view, it starts with the absolute freedom of the Self, and presumably sees nature in its own image.