The rehabilitation of order as a universal principle, however, suggested at the same time that orderliness by itself is not sufficient to account for the nature of organized systems in general or for those created by man in particular.
Rudolf ArnheimOnce it is recognized that productive thinking in any area of cognition is perceptual thinking, the central function of art in general education will become evident.
Rudolf ArnheimSeeing consists of the grasping of structural features rather than the indiscriminate recording of detail.
Rudolf ArnheimJust as a chemist "isolates" a substance from contaminations that distort his view of its nature and effects, so the work of art purifies significant appearance. It presents abstract themes in their generality, but not reduced to diagrams.
Rudolf ArnheimEntropy theory, on the other hand, is not concerned with the probability of succession in a series of items but with the overall distribution of kinds of items in a given arrangement.
Rudolf ArnheimFrom building a fire one can learn something about artistic composition. If you use only small kindling and large logs, the fire will quickly eat up the small pieces but will not become strong enough to attack the large ones. You must supply a scale of sizes from the smallest to the largest. The human eye also will not make its way into a painting or building unless a continuum of shapes leads from the small to the large, from the large to the small.
Rudolf Arnheim