Be truthful. Nature only sides with truth.
The room has to be comfortable; the house has to look habitable.
Supply and demand regulate architectural form.
The law courts must appear as a threatening gesture toward secret vice. The bank must declare: here your money is secure and well looked after by honest people.
The work of art shows people new directions and thinks of the future. The house thinks of the present.
The work of art is brought into the world without there being a need for it. The house satisfies a requirement. The work of art is responsible to none; the house is responsible to everyone. The work of art wants to draw people out of their state of comfort.