There is movement and movement. There are movements of small tension and movements of great tension and there is also a movement which our eyes cannot catch although it can be felt. In art this state is called dynamic movement. This special movement was discovered by the futurists as a new and hitherto unknown phenomenon in art, a phenomenon which some Futurists were delighted to reflect.
In: 'Cubofuturism', Malevich, in his Essays on Art, op. cit., vol 2; as quoted in Futurism, ed. By Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 59