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.
'Cubofuturism', Malevich, in Essays on Art, op. cit., Vol 2.; as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 59, 1913.
