The harmonious relationships...which make up the compositional structure of a building are not only expressed in numerical relationships...but also through musical concepts; that is, 1:2 corresponds to the octave, 2:3 to the fifth...There has been an unbroken tradition since classical times according to which music and geometry are fundamentally one: 'Music is the geometry of tones and exactly the same harmonies on which geometry is based beomces audible in music.'引自 The Theory of Proportion