"I believe that art is the only form of activity in which man as man shows himself to be a true individual. Only in art is he capable of going beyond the animal state, because art is an outlet toward regions which are not ruled by time and space. To live is the believe; that's my belief, at any rate." (Duchamp 1975, 137)
Duchamp, Marcel, edited by Michel Sanouill & Elmer Peterson. 1975. The essential writings of Marcel Duchamp : salt seller = marchand du sel. London: Thames and Hudson.