The following assay presents an rhetoric examination and the poetics of silence, from a perspective that assumes the rhetoric as those procedures and methods used by the author to write and hear the silence in his authorship,while it seeking to demostrate that the poetics of silence goes beyond further on the language that appears in the writing of some rhetorical or grammatical resources. In this sense, poetry is presented as the very source of flowing writing, as a conscious act, a necesity to write what can not be said.