Preparatory Principles is not a linear text in the conventional sense, but consists of a series of short passages on a variety of topics, whose themes are summarised in marginal headings. The material constitutes a philosophical commonplace book, compiled by Bentham in the mid-1770s, in which he worked out the foundational ideas for his new science of legislation. He then drew on this material when composing such works as A Fragment on Government and An Introduction to the Principles of Morals and Legislation. Inspired by such figures as John Locke and Claude Adrien...