1. "This reasonable, classical, Cubist art... had been heralded of course by... the publication in 1907 of Cézanne's dicta: 'All of nature models herself according to the sphere, the cone and the cylinder'..."
2. "Space as such, and the objects within it, are symbolized by advancing and receding planes, drawn and modulated in Cézanne's technique".
3. The basic principle of this art, which I christened 'Flat-pattern Cubism..., was the acceptance of the canvas as a physical flat plane on to which other flat planes could be imposed or suggested".
4. The artist who is concerned to fashion classical architectural pictures must construct his architecture as far as possible with constant universal forms."