For Ruskin, the aesthetic was of overriding significance. His work goes on to state that a building is not truly a work of architecture unless it is in some way "adorned". For Ruskin, a well-constructed, well-proportioned, functional building needed string courses or rustication, at the very least.
To be true architecture in Ruskin's opinion what should never be done to a structure?
{'text': 'adorned', 'answer_start': 162}