John Stuart Mill — "The only part of the conduct of any one, for which he is amenable to society, is…"

"The only way to ascertain the truth of an opinion is to permit its free expression."

"The only security against error is in the discussion of every subject, and the careful examination of all arguments, by which it can be supported or opposed."

"The object of this Essay is to assert one very simple principle, as entitled to govern absolutely the dealings of society with the individual in the way of compulsion and control, whether the means us…"

"Even despotism does not produce its worst effects, so long as individuality exists under it; and whatever crushes individuality is despotism, by whatever name it may be called, and whether it professe…"

"The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others. His own good, either physical or moral, is not a …"