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.

p. 8 as cited in: Pamela M. Lee, " " Ultramoderne": Or, How George Kubler Stole the Time in Sixties Art." Grey Room (2001): 55. - The Shape of Time, 1982