When I had this thought, I saw pictures. I saw a man I had never met.
Blind man from too long ago, surrounded by frozen patterns of his own brain-whorls, knotted and unable to articulate themselves, aching to find another brain to work in.
Through the Earth and Beyond:
Someone is watching with him, through a pair of cross-time eyes that strangely resemble those of his grandfather, James Hive-Maker, as Hive-Maker will appear at a singular moment in the (at that time) future life of Zoltan Abbassid.
At the end of this vision, Jacob finds himself walking again in a dark world, heading inexorably towards someplace that he cannot name, a planet with a waiting victim.