How clear a picture Goethe had of the conformity of man's act of thinking with nature's way of producing her forms - both being an act of supersensible weaving - is shown by the following two verses. That on the left is a passage from Faust, from the scene in which Mephisto (disguised as Faust) instructs the young Scholar. The other is an altered version of it, written by Goethe at a later time to conclude an essay (Bedenken und Ergebung) in which he deals with the problem of the relation between Experience and Idea: