Most of us know that inspiration flickers--or it simply dries up. At such times the object is usually put aside until the light returns. This procedure is quite sensible from a practical working standpoint. However, it ignores the fact that there are layers of consciousness, and that when one layer dries up, it's worthwhile to penetrate the deeper one--for it exists.
-- Notebooks Category 14: The Arts in Culture > Chapter 2: Creativity, Genius > # 32