The art of music is good, for the reason, among others, that it produces pleasure; but what proof is it possible to give that pleasure is good? If, then, it is asserted that there is a comprehensive formula, including all things which are in themselves good, and that whatever else is good, is not so as an end, but as a mean, the formula may be accepted or rejected, but is not a subject of what is commonly understood by proof.
John Stuart MillAll that makes existence valuable to any one depends on the enforcement of restraints upon the actions of other people.
John Stuart MillWe can never be sure that the opinion we are endeavoring to stifle is a false opinion; and if we were sure, stifling it would be an evil still.
John Stuart MillThe struggle between Liberty and Authority is the most conspicuous feature in the portions of history with which we are earliest familiar; particularly in that of Greece, Rome, and England
John Stuart MillMen might as well be imprisoned, as excluded from the means of earning their bread.
John Stuart Mill