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An Introduction to the Principles of Morals and Legislation

1789 · by Jeremy Bentham

Pain and pleasure as sovereign masters – the principle of utility.

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Introduction

Bentham had the book printed in 1780 but held it back and published it only in 1789. It was meant as an introduction to a penal code. The first chapter begins: “Nature has placed mankind under the governance of two sovereign masters, pain and pleasure.” Chapter IV lists the dimensions by which pleasures and pains are to be measured, among them intensity, duration, certainty, nearness, fecundity, purity and extent. Later chapters classify offences and punishments. A footnote in the last chapter argues that what matters in the treatment of animals is not whether they can reason or talk, but whether they can suffer.

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