autonomous walking bridge

Autonomy is impossible without differentiation, which itself is not substance, but the force that creates the possibility to characterize substance as a singular substance among substances rather than the substance. However at any given time, substance is the condition through which it is itself produced. Ruts, paths, and rupture is the ceaseless substance that makes substance possible.
Maybe.

"On. Say on. Be said on. Somehow on. Till nohow on. Said nohow on.
Say for be said. Missaid. From now say for missaid.
Say a body. Where none. No mind. Where none. That at least. A place. Where none. For the body. To be in. Move in. Out of. Back into. No. No out. No back. Only in. Stay in. On in. Still.
All of old. Nothing else ever. Ever tried. Ever failed. No matter. Try again. Fail again. Fail better.
First the body. No. First the place. No. First both. Now either. Now the other. Sick of the either try the other. Sick of it back sick of the either. So on. Somehow on. Till sick of both. Throw up and go. Where neither. Till sick of there. Throw up and back. The body again. Where none. The place again. Where none. Try again. Fail again. Better again. Or better worse. Fail worse again. Still worse again. Till sick for good. Throw up for good. Go for good. Where neither for good. Good and all.
It stands. What? Yes. Say it stands. Had to up in the end and stand. Say bones. No bones but say bones. Say ground. No ground but say ground. So as to say pain. No mind and pain? Say yes that the bones may pain till no choice but stand. Somehow up and stand. Or better worse remains. Say remains of mind where none to permit of pain. Pain of bones till no choice but up and stand. Somehow up. Somehow stand. Remains of mind where none for the sake of pain. Here of bones. Other examples if needs must. Of pain. Relief from. Change of.
All of old. Nothing else ever. But never so failed. Worse failed. With care never worse failed.
Dim light source unknown. Know minimum. Know nothing no. Too much to hope. At most mere minimum. Meremost minimum.
No choice but stand. Somehow up and stand. Somehow stand. That or groan. The groan so long on its way. No. No groan. Simply pain. Simply up. A time when try how. Try see. Try say. How first it lay. Then somehow knelt. Bit by bit. Then on from there. Bit by bit. Till up at last. Not now. Fail better worse now.
Another. Say another. Head sunk on crippled hands. Vertex vertical. Eyes clenched. Seat of all. Germ of all.
No future in this. Alas yes."
Samuel Beckett, Worstward Ho