Where the Old Masters created an illusion of space into which one could imagine walking, the illusion created by a Modernist is one into which one can look, can travel through, only with the eye.
The Lord help us!' he soliloquised in an undertone of peevish displeasure, while relieving me of my horse: looking, meantime, in my face so sourly that I charitably conjectured he must have need of divine aid to digest his dinner, and his pious ejaculation had no reference to my unexpected advent.