Let us then understand at once that change or variety....

“ Let us then understand at once that change or variety is as much a necessity to the human heart and brain in buildings as in books; that there is no merit, though there is some occasional use, in monotony; and that we must no more expect to derive either pleasure or profit from an architecture whose ornaments are of one pattern, and whose pillars are of one proportion, than we should of a universe in which the clouds were all of one shape, and the trees all of one shape. ”

John Ruskin

From : The Nature Of Gothic