What do you owe the state and what does it provide for us? Writing during the English civil war, Thomas Hobbes came up with an outline for the social contract between individuals and the sovereign – on Free Thinking, Matthew Sweet and guests unpick his ideas and come up with a version for now. They also explore the politics of butter, margarine and scones and seek guidance about history from Abba lyrics. Barry Smith is Director of the Institute of Philosophy at the University of London’s School of Advanced Study and founding director of the Centre for the Study of the Senses. For BBC Radio 4 he presented a 10 part series called The Uncommon Senses. You can find him on previous Free Thinking conversations about Pleasure, and Futurism. Joanne Paul is the author of The House of Dudley: A New History of Tudor England. She's Honorary Senior Lecturer in Intellectual History at the University of Sussex and was a BBC/AHRC New Generation Thinker and presented her research in a Radio 3 Essay exploring Speaking truth to power James Kirkup is a Senior Fellow at the Social Market Foundation think tank and he writes for publications including The Times Sophie Scott-Brown is Lecturer in Philosophy at the University of East Anglia, where she teaches intellectual history. She is the author of The Histories of Raphael Samuel - A Portrait of A People’s Historian. You can find her in the Free Thinking programme archive discussing anarchism and David Graeber, and Happiness Dr Stu Eve is Archaeological Director of the Waterloo Uncovered project. Previous episodes of Free Thinking are available on the programme website and BBC Sounds and as the BBC Arts & Ideas podcast. Producer: Robyn Read