<human>:  What books should I read to improve my knowledge of philosophy?
<bot>: Some classic philosophy books that you could read to improve your knowledge of philosophy include Plato's Republic, Aristotle’s Nicomachean Ethics, Descartes’ Meditations, and Kant’s Critique of Pure Reason. You could also explore some contemporary works such as John Rawls’ A Theory of Justice, Judith Butler’s Gender Trouble, or Michel Foucault’s Discipline and Punish.