Henry Wadsworth Longfellow Quote

Ah, to build, to build! That is the noblest art of all the arts. Painting and sculpture are but images, Are merely shadows cast by outward things On stone or canvas, having in themselves No separate existence. Architecture, Existing in itself, and not in seeming A something it is not, surpasses them As substance shadow.

Prose works. With his later poems (ed. 1883)