In my experience and in my opinion a drawing is a subtle medium between your head and your hand that passes through your heart towards a building. People who love to draw, and can do it, cannot bear to build a good house because something already manifests itself in the drawing that should manifest in buildings. A drawing for its own sake is a kind of intellectual masturbation. Something happens before it should. As soon as somebody makes drawings in connection to buildings then those stay drawings and the end result will not work as a building, because these houses are merely drawn as drawings but they were not and will not be important as houses. In architecture a drawing is like a servant girl. As soon as we make a lady out of her, she immediately turns against us, and against architecture.