In all matters but particularly in architecture. . . that which is signified is the subject of which we may be speaking and that which gives significance is a demonstration on scientific principles. . . . One who professes himself an architect should be well versed in both directions.
At Halicarnassus , the house of that most potent king Mausolus, though decorated throughout with Proconnesian marble, has walls built of brick which are to this day of extraordinary strength, and are covered with stucco so highly polished that they seem to be as glistening as glass. That king did not use brick from poverty; for he was choke-full of revenues, being ruler of all Caria.