John Locke is one of the important figures in the history of political thought. His Second Treatise on Government was one of the significant political statements of its time and provides the foundations of liberal political thought. His views on the social contract, political obligation, rebellion, revolution and property remain relevant. Topics discussed include: Locke's life and the background to the Second Treatise on Government; the text and ideas of the Second Treatise; and the continuing importance of Locke's work to philosophy.