Source, in full
Jan. 1916, from his letter to Mikhail Matiushin; private archive, Frankfurt (transl. Todd Bludeau); as quoted by Vasilii Rakitin, in The great Utopia - The Russian and Soviet Avant-Garde, 1915-1932; Guggenheim Museum, New York, 1992, p. 26
Notes from Wikiquote
Malevich' example of the new poetic structures (the 3 lines loosely match his painting 'Stantsiia bez ostanovki Kuntsevo' (Through Station: Kuntsevo), 1913)