The general misunderstanding of a work of art is often due to the fact that the key to its spiritual content and technical means is missed. Unless the observer is trained to a certain degree in the artistic idiom, he is apt to search for things which have little to do with the aesthetic content of a picture. He is likely to look for pure representational values when the emphasis is really upon music-like relationships.

'Painting and Culture' p. 56 - Search for the Real and Other Essays (1948)