One interesting facet of this approach is that it validates the importance of literature, as it is built on a literary key for the decoding. Freud himself wrote, "The dream-thoughts which we first come across as we proceed with our analysis often strike us by the unusual form in which they are expressed; they are not clothed in the prosaic language usually employed by our thoughts, but are on the contrary represented symbolically by means of similes and metaphors, in images resembling those of poetic speech