Soren Kierkegaard's Either/Or is an oblique but brilliant contribution to philosophy. In this episode of Philosophy: The Classics  author Nigel Warburton summarises the book and considers several interpretations of it.

Is it better to be a happy pig or a sad Socrates? John Stuart Mill's Utilitarianism is the topic of this episode of Philosophy: The Classics.

Published in 1859, the same year as Darwin's Origin of Species, John Stuart Mill's On Liberty remains the classic statement of individual freedom. Here I summarise some of its main themes and outline some criticisms that have been made of it.