As I said, in the Fifties I had the 'angst' (= Dutch for 'fear') to survive materialistically. In the city Paris it was a battle. I painted with a knife and called the results 'human landscapes', abstract landscapes with human faces here and there. Today I can do without fight or struggle; every brushstroke now is ready, goes by itself: la peinture depouillé you could say. I discovered that in Picasso's late paintings. You look very closely but there is nothing anymore. He painted here and there a little bit; it is not finished, but once you step back you see a fantastic image, life by itself. I'm not fighting anymore; I'm floating, surfing on the wind.