Theorization of sensual desire was not uncommon in the eighteenth century; like many materialists of the French Enlightenment, Jean-Jacques Rousseau rejected imperatives founded on metaphysical suppositions and viewed the senses as the only valid source of philosophical knowledge. In Social Contract, Masochist Contract, Faycal Falaky demonstrates that what distinguishes Rousseau is that the foundational measure on which he bases his materialist philosophy is a sexual instinct endowed, paradoxically, with the same sublime, self-abnegating attributes historically associated with...