On Liberty

_To the beloved and deplored memory of her who was the inspirer, and in part the author, of all that is best in my writings--the friend and wife whose exalted sense of truth and right was my strongest incitement, and whose approbation was my chief reward--I dedicate this volume. Like all that I have written for many years, it belongs as much to her as to me; but the work as it stands has had, in a very insufficient degree, the inestimable advantage of her revision; some of the most important portions having been reserved for a more careful re-examination, which they are now never destined to receive. Were I but capable of interpreting to the world one-half the great thoughts and noble feelings which are buried in her grave, I should be the medium of a greater benefit to it than is ever likely to arise from anything that I can write, unprompted and unassisted by her all but unrivalled wisdom._ INTRODUCTION. I. John Stuart Mill was born on 20th May 1806. He was a delicate child, and the extraordinary education designed by his father was not calculated to develop and improve his physical powers. "I never was a boy," he says; "never played cricket." His exercise was taken in the form of walks with his father, during which the elder Mill lectured his son and examined him on his work. It is idle to speculate on the possible results of a different treatment. Mill remained delicate throughout his life, but was endowed with that intense mental energy which is so often combined with physical weakness. His youth was sacrificed to an idea; he was designed by his father to carry on his work; the individuality of the boy was unimportant.…