In view of which is it not logical, not by any artifice of symbolism but by a sincere return to the very root of the impression, to represent one thing by that other for which, in the flash of a first illusion, we mistook it? Surfaces and volumes are in reality independent of the names of objects which our memory imposes on them after we have recognised them. Elstir attempted to wrest from what he had just felt what he already knew, his effort had often been to break up that aggregate of impressions which we call vision.