I’m doing some number paintings where there are no words whatsoever, and this I suppose represents painting down and coming down to more, shall we say, the essence of one aspect of my work and that’s the graphic aspect, not the, shall we say, the subject aspect.
— Robert Indiana
Arthur C. Carr, "The Reminiscences of Robert Indiana," New York, November 1965, Arthur C. Carr papers; Rare Book and Manuscript Library, Columbia University Library, pp. 77–78.