A mind discovers its body by moving it, failing, and trying again. An AI agent controlling physical devices can do neither half of that — which is why the device has to introduce itself, and why nobody quite agrees on what that introduction should contain. You did not learn what your hand does by reading a specification. You spent about a year dropping things. Somewhere in that year you worked out that the hand grips, that grip has degrees, and that a glass held too loosely falls ...