Quote in: 'The Death of Painting'; from the MoMA-website: Interactives: texts https://www.moma.org/interactives/exhibitions/1998/rodchenko/texts/death_of_painting.html
Rodchenko is looking back: in 1921 he executed what were arguably some of the first true monochromes (artworks of one color; source, Wikipedia:Rodchenko)
Famous Alexander Rodchenko Quotes
Quote, 1930: from Rodchenko lecture at the October group's meeting; as quoted by Margarita Tupitsyn in Chapter 'Fragmentation versus Totality: The Politics of (De)framing', in The great Utopia - The Russian and Soviet Avant-Garde, 1915-1932; Guggenheim Museum, New York, 1992, p. 486
the issue was not to take 'photo pictures' of the entire object but to make 'photo stills' of characteristic parts of an object