We see ourselves confronted with pure abstraction. Small problems and highly obscure subjects are, if you will, always grand in intention, and the layman would casually and quite undisparagingly trample on them if they were to serve as carpet motifs.

Quoted in a review of his Bernheim show, G. J. Gros, Fall 1933; as quoted in Calder Miro, ed. Elizabeth Hutton Turner / Oliver Wick; Philip Wilson Publishers, London 2004, p. 81 note 10