A  tournant  V-2, gyring along the X-axis, in a constant and hopefully useless progression, leads us directly to  Jacob  standing  loin  above the  cave . Transport is easy in the void; ladderless  Jacob  walked here. Below him is darkness, the original form of the  cailloux  which has articulated around it (though of course it does pass through the intermediate stage of  brume      Il était temps de rentrer. J'ai plongé dans le centre d'une planète, et voyagé vers l'endroit où se tenait mon ancien moi.