...they maintained that shade is a part of light. It sounds absurd when I express it; but so it is: for they said that colours, which are shadow and the result of shade, are light itself.
Johann Eckermann, Conversations of Goetheentry: January 4, 1824; trans. Wallace Wood
Architektur ist das kunstvolle, korrekte und großartige Spiel der unter dem
Licht versammelten Baukörper.