Matter thus offers an infinitely porous, spongy, or cavernous texture without emptiness, caverns endlessly contained contained in other caverns: no matter how small, each body contains a world of pierced with irregular passages, surrounded and penetrated by an increasingly vaporous fluid, the totality of the universe resembling a pond of matter in which there exist different flows and waves.
Gilles Deleuze, The Fold, (English translation) 1993
Nereci - Djavan (’Djavan’, 1978)