SOURCE: "The Grace of Continuity," in Sight and Insight: A Prediction of New Perceptions in Art, Harper & Brothers Publishers, 1945, pp. 32-41.

In the following essay, Guggenheimer discusses Duncan's dancing in the context of poetry and painting

One may well be reproached for introducing metaphysics into the study or the appreciation of works of art. Resentment frequently and understandably arises when a "pure emotion" expressed by some "intuitive" artist is subjected to tampering analysis at the hands of inquiring "intellectuals." This revulsion against dissection of the mysterious flower is similar to the pain one might feel if an inquisitive anatomist were to halt the expressive miracle of an Isadora Duncan in the act of dancing in order to investigate the skeletal processes of her motions. Such investigation would surely yield no explanation of her peculiarly exalted grace. Yet an understanding of her mentality might reveal at least some attributes...