Sometimes I try to think and nothing comes out of it; but it happens that I doze off and suddenly feel as though someone is rousing me. I am startled, open my eyes, and what my mind was looking for stands before me like an apparition - at once I seize my pencil to draw; the main thing has been done.

Quote of Friedrich, recorded by Vasily Zhukovsky, c. 1821; cited by Sigrid Hinz, Caspar David Friedrich in Briefen und Bekenntnissen; Henschelverlag Kunst und Gesellchaft, Berlin ,1968 p. 239; as cited in 'The Phantasmatic in romantic subjective experience and aesthetics' - Master's Thesis by Adrian Gerardo de Jong; Helsingborg Sweden, Sept. 2010, pp. 46-47