„However useful it is for pedagogical purposes, the biological metaphor of style as a sequence of life-stages was historically misleading, for it bestowed upon the flux of events the shapes and behavior of organisms.“
— George Kubler American art historian 1912 - 1996
p. 8 as cited in: Pamela M. Lee, " " Ultramoderne": Or, How George Kubler Stole the Time in Sixties Art. http://xenopraxis.net/readings/lee_ultramoderne.pdf" Grey Room (2001): 55.
The Shape of Time, 1982