In 1945, in a preface for the first exhibition of Spanish painter Francisco Riba Rovira (who painted a portrait of her), Stein wrote:I explained that for me, all modern painting is based on what Cézanne nearly made, instead of basing itself on what he almost managed to make. When he could not make a thing, he hijacked it and left it. He insisted on showing his incapacity: he spread his lack of success: showing what he could not do, became an obsession for him. People influenced by him were also obsessed with the things which they could not reach and they began the system of camouflage. It was natural to do so, even inevitable: that soon became an art, in peace and war, and Matisse concealed and insisted at the same time that Cézanne could not realize, and Picasso concealed, played, and tormented all these things.