Abstract
In our Western society it is taken for granted that knowledge has its origin in perception, and so the brain would do properly the entire process consisting in catching what we usually call reality. No doubt, human beings have other attributes than speculative reason, and, among them, there is art, with its creative process and its symbolic and representative vision which become what we call “artistic knowledge” (poiesis). This develops in many different ways of art expressions among which we find poetry, not just as mere versification nor as a set of semantic-‐‑expressive means, but as an authentic key to open some aspects of reality known just through this poiesis and not through other kinds of knowledge. To illustrate this idea, particularly within Natural Philosophy, I appeal to my own experience in the field of literature and give some examples from authors and texts selected to this task.

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