It is impossible to continue in the practice of contemplating any order of beauty, without being frequently obliged to form comparisons between the several species and degrees of excellence, and estimating their proportion to each other. A man, who had had no opportunity of comparing the different kinds of beauty, is indeed totally unqualified to pronounce an opinion with regard to any object presented to him. By comparison alone we fix the epithets of praise or blame, and learn how to assign the due degree of each.