This thesis examines Plato's Laws, offering a fresh consideration of the important differences between its three characters. These differences point to a key tension between the singular voice of law proper, and the multiple voices of Plato's philosophical project within the law. In turn, this tension provides both the opportunity and quandaries for that project, whose principle aim is the development of authentic human responsibility. This emerges especially in the penal law outlined in Book 9, which must provide for the punishment of criminals despite being grounded in the Athenian Stranger's maxim, that "no one is willingly unjust."Cette thèse examine Les Lois de Platon, offrant une nouvelle perspective sur l'importance des différences e...