"..because his applying paint to it [the sculpture 'Painted Bronze, two painted ale cans', created by the American pré-Pop Art artist Jasper Johns ] was absolutely mechanical or, at least, as close to the printed thing as possible. It was not an act of painting; actually, the printing [or painting?] was just like printing except it was made by hand by him. That doesn’t add a thing to it. – it's just the idea of imitating the beer can that is important."
January 1, 1970