Bateson 63: "[W]hen causal systems become circular [...] a change in any part of the circle can be regarded as cause for change at a later time in any variable anywhere in the circle"
111: "effects of events at any point in the circut can be carried all around to produce changes at [the] point of origin"
110: "The idea that circular causation is of very great importance was first generalized at the end of World War II by Norbert Wiener" (of course)