Get all the information you can about the Cubists, and about Georges Braque and Pablo Picasso. Go to Kahnweilers' (Paris art gallery). And if he's got photos of recent works – produced after I have left -, buy one or two. Bring us [the Futurists in Italy, like Boccioni himself] back all the information you can get.

In: a letter to Gino Severini, staying in Paris in the Summer of 1911; as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 27.