Foucault, Michel. Ethics: Subjectivity and Truth (Essential Works of Foucault, 1954–1984, Vol. 1). Edited by Paul Rabinow. New York: New Press, 1998.
Ethics (edited by Paul Rabinow) contains the summaries of Foucault’s renowned courses at the Collège de France, paired with key writings and interviews on friendship, sexuality, and the care of the self and others.