Pictorial Composition and the Critical Judgment of Pictures

by Henry Rankin Poore

The Must Be's and May Be's of Composition

Of the other [principles], Consistency or breadth, Continuity and its complement, Contrast, associate themselves in greater or less degree with Principality and Harmony, which are the must [pg 270] be's; while Repetition, Radiation, Curvature and Interchange are reckoned as the may be's of composition.