In Plato’s Republic, Book 1, Thrasymachus has a conversation with Socrates [messenger for Plato’s views] in which they try to define justice. Thrasymachus is frustrated with Socrates because he does not give his own definition, but instead pokes holes in other people’s theories about justice. Both Thrasymachus and Socrates [messenger for Plato’s views] offer different definitions of justice, although Socrates’ definition is not explicitly stated. Thrasymachus’ view of justice differs from Plato’s