This two-way transformation proceeds from metaphysical perceptions, for metaphysics is the search for the essential nature of reality. And so artistic creation is the metamorphosis of the external physical aspects of a thing into a self-sustaining spiritual reality. Such is the magic act which takes place continuously in the development of a work of art. On this and only on this is creation based.

'Search for the Real in the Visual Arts', p. 40 - Search for the Real and Other Essays (1948)