John Stuart Mill, (20 May 1806 - 8 May 1873) was an English philosopher, political economist and civil servant. He was an influential contributor to social theory, political theory and political economy. He has been called "the most influential English-speaking philosopher of the nineteenth century." Mill's conception of liberty justified the freedom of the individual in opposition to unlimited state control. He was a proponent of utilitarianism, an ethical theory developed by Jeremy Bentham. Hoping to remedy the problems found in an inductive approach to science, such as confirmation bias,...

The subject of this Essay is not the so-called Liberty of the Will, so unfortunately opposed to the misnamed doctrine of Philosophical Necessity; but Civil, or Social Liberty: the nature and limits of the power which can be legitimately exercised by society over the individual. A question seldom stated, and hardly ever discussed, in general terms, but which profoundly influences the practical controversies of the age by its latent presence, and is likely soon to make itself recognised as the vital question of the future. It is so far from being new, that in a certain sense, it has divided...

It was in the year 1869 that, impressed with the degree in which, even during the last twenty years, when the world seemed so wholly occupied with other matters, the socialist ideas of speculative thinkers had spread among the workers in every civilized country, Mr. Mill formed the design of writing a book on Socialism. Convinced that the inevitable tendencies of modern society must be to bring the questions involved in it always more and more to the front, he thought it of great practical consequence that they should be thoroughly and impartially considered, and the lines pointed out by...