Motion is heterotelic, because the fulfillment of the potential to be something (that is to say, the marble's entelecheia qua movable) and that which that ability ultimately aims to achieve (the completed product) are different (heteron).
(36) In relation to kinesis, Aristotle writes, "It is not possible to move otherwise than in time," (37) because movement's heterotelic configuration makes time essential to its nature.
Poiesis on the other hand is "heterotelic
", and its success can be assessed through the work (ergon) that has been produced.
This sort of socially significant, heterotelic
exchange must take place in the world, not as an internal monologue within an isolated, idiosyncratic subject, as is the case with Pessoa's heteronyms.
And while we are at it, what about Gunn's heterotelic
use of "Jesus and His Mother," "Smoking Pot on the Bus," "Thoughts of Unpacking," "Listening to Jefferson Airplane," or, as happens, the marvel of Caravaggio in his poem "In Santa Maria del Popolo"?