Machinery, materials and men — yes — these are the stuff by means of which the so-called American architect will get his architecture.... Only by the strength of his spirit's grasp upon all three — machinery, materials and men — will the architect be able so to build that his work may be worthy the great name architecture.

In: Bruce Brooks Pfeiffer and Gerald Nordland (eds.), Frank Lloyd Wright: In the Realm of Ideas (p. 48)