I saw falling from the coffins before me some sort of black matter, a sort of immortal urine from these mute of life, that, crumbs of matter, in crumbs, drop by drop, are annihilated.  The name of this substance is caca, and caca is the substance of the soul that I have seen spill from so many coffins in puddles before me.  The breath of bones has a center and this center is the Kah-Hah chasm, Kah the corporeal breath of shit, the opium of eternal life. [...] The smell of the eternal ass of the dead woman is the oppressed energetic of a soul whose life was refused by mankind."  (Letter from Rodez, Oct 6, 1945)