221. When an object, in which magnitude is a desirable attribute, leaves an impression, on a practiced eye, of less magnitude than it really possesses, we should place objects beside it, of whose magnitude we can satisfy ourselves, of larger size than that which we are accustomed to; for, by finding these large objects in precisely the proportion to the grand object, to which we _are_ accustomed, while we know their actual size to be one to which we are _not_ accustomed, we become aware of the true magnitude of the principal feature. But where the object leaves a true impression of its size on the practiced eye, we shall do harm by rendering minor objects either larger or smaller than they usually are. Where the object leaves an impression of greater magnitude than it really possesses, we must render the minor objects smaller than they usually are, to prevent our being undeceived. 222. Now, a mountain of 15,000 feet high always looks lower than it really is; therefore the larger the buildings near it are rendered, the better. Thus, in speaking of the Swiss cottage, it was observed that a building of the size of St. Peter's in its place, would exhibit the size of the mountains more truly and strikingly. A mountain 7000 feet high strikes its impression with great truth; we are deceived on neither side; therefore the building near it should be of the average size; and thus the villas of the Lago di Como, being among hills from 6000 to 8000 feet high, are well proportioned, being neither colossal nor diminutive: but a mountain 3000 feet high always looks higher than it really is;[48] therefore the buildings near it should be smaller than the average. And this is what is meant by the proportion of objects; namely, rendering them of such relative size as shall produce the greatest possible impression of those attributes which are most desirable in both. It is not the true, but the desirable impression which is to be conveyed; and it must not be in one, but in both: the building must not be overwhelmed by the mass of the mountain, nor the precipice mocked by the elevation of the cottage. (Proportion of color is a question of quite a different nature, dependent merely on admixture and combination).