And in this sense [of using 'poor' material / arte povare] I've been influenced by or related to some Dadaist forerunner, Duchamp, Schwitters... But there are other aspects of the 'ascetic' function, of the 'sacralisation' of the world around us which I've referred to.... the 'supreme identity' of Samsara with Nirvana. The use of new materials, collage and assemblage, became quite widespread among some new artists of that time.

as quoted in 'Tàpies: From Within', June/November 2013 - Presse Release text, Museu Nacional d'Art de Catalunya (MNAC), pp. 7-8 - 'Memòria Personal', 1977