International audienceThe Theaetetus and the Sophist depict one of Plato's most well-known ideas about thought, namely, the dialogue of the soul with itself. Unfortunately, what Plato means by this has been obscured by three habits in the scholarship: (1) to consider the notion as being self-evident, (2) to treat it as being about the immaterial and universal language of thought, and (3) to understand it through the distorting lens of the Christian-modern idea of inwardness and inner private space. I argue for a more tentative reading of "inner dialogue," where its localization is understood in terms of "physical distinction" and its meaning is construed around Plato's ideas of polyphony and "microcommunity." We thereby learn that thinking ...