Is a newborn's mind a blank slate? What makes you the same person that you were several years ago despite bodily changes? These are two central questions that John Locke addressed in his classic work An Essay Concerning Human Understanding. Nigel Warburton outlines the key ideas from this book.

What kind of freedom can human beings achieve? Is the mind distinct from the body? Are we and everything in the universe part of God? In this episode of Philosophy: The Classics, Nigel Warburton outlines the key features of Spinoza's great book Ethics.

Why would anyone give up their freedom to become part of an organised state? In this reading from his book Philosophy: The Classics, Nigel Warburton outlines Thomas Hobbes' central arguments from Leviathan.

Can I know anything for certain? Can I even be sure that I exist? Descartes pushed scepticism to its limits in his Meditations. Nigel Warburton explains Descartes' key ideas and some of the criticisms that can be levelled against them.

Is this just a handbook for psychopaths, or a satirical attack on his contemporaries, or did Machiavelli have a moral message? In this reading from his book Philosophy: The Classics, Nigel Warburton explains the central themes from Machiavelli's great work The Prince and explores different interpretations of the book.

What consolation can Philosophy provide to a condemned man? Boethius wrote The Consolation of Philosophy while awaiting torture and execution. He imagines Philosophy visiting him personified as a woman. Philosophy explains to him how the Wheel of Fortune turns, but yet happiness remains within human control. Nigel Warburton reads Chapter 3 from this book Philosophy: The Classics which gives a critical summary of Boethius' book.

'How should we live?' This is a fundamental question for all of us. In his Nicomachean Ethics Aristotle attempted to answer it. Listen to author Nigel Warburton's summary of the main themes of the book in this reading from his book Philosophy: The Classics.

Plato's Republic is one of the great works in philosophy. Hear how Plato thought society should be organised and why he wanted to ban representational art. Nigel Warburton reads the first chapter of his book Philosophy: The Classics.