In the last few years of his life, Michel Foucault unexpectedly changed his research focus from the history of modern sexual discourses to ancient Graeco-Roman sexuality and, in turn, to the techniques of the self or spiritual exercises that were central to ancient philosophy.
This passage frames Foucault's late pivot to antiquity as the defining event for his reinvention of philosophy as a way of life, establishing the chapter's central thesis about his engagement with ancient spiritual exercises.
, Philosophy as a Way of Life: History, Dimensions, Directions, 2021thesis