The mere use of one's eyes in Venice is happiness enough, and generous observers find it hard to keep an account of their profits in this line. Everything the attention touches holds it, keeps playing with it - thanks to some inscrutable flattery of the atmosphere. Your brown-skinned, white-shirted gondolier, twisting himself in the light, seems to you, as you lie at contemplation beneath your awning, a perpetual symbol of Venetian "effect." The light here is in fact a mighty magician and, with all respect to Titian, Veronese and Tintoret, the greatest artist of them all. You should see in places the material with which it deals - slimy brick, marble battered and befouled, rags, dirt, decay. Sea and sky seem to meet half-way, to blend their tones into a soft iridescence, a lustrous compound of wave and cloud and a hundred nameless local reflections, and then to fling the clear tissue against every object of vision. You may see these elements at work everywhere, but to see them in their intensity you should choose the finest day in the month and have yourself rowed far away across the lagoon to Torcello. Without making this excursion you can hardly pretend to know Venice or to sympathise with that longing for pure radiance which animated her great colourists. It is a perfect bath of light, and I couldn't get rid of a fancy that we were cleaving the upper atmosphere on some hurrying cloud-skiff. At Torcello there is nothing but the light to see - nothing at least but a sort of blooming sand-bar intersected by a single narrow creek which does duty as a canal and occupied by a meagre cluster of huts, the dwellings apparently of market- gardeners and fishermen, and by a ruinous church of the eleventh century. It is impossible to imagine a more penetrating case of unheeded collapse. Torcello was the mother-city of Venice, and she lies there now, a mere mouldering vestige, like a group of weather-bleached parental bones left impiously unburied. I stopped my gondola at the mouth of the shallow inlet and walked along the grass beside a hedge to the low-browed, crumbling cathedral. The charm of certain vacant grassy spaces, in Italy, overfrowned by masses of brickwork that are honeycombed by the suns of centuries, is something that I hereby renounce once for all the attempt to express; but you may be sure that whenever I mention such a spot enchantment lurks in it.