<P> Freedom of speech and expression, therefore, may not be recognized as being absolute, and common limitations to freedom of speech relate to libel, slander, obscenity, pornography, sedition, incitement, fighting words, classified information, copyright violation, trade secrets, food labeling, non-disclosure agreements, the right to privacy, the right to be forgotten, public security, and perjury . Justifications for such include the harm principle, proposed by John Stuart Mill in On Liberty, which suggests that: "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 ." </P> <P> The idea of the "offense principle" is also used in the justification of speech limitations, describing the restriction on forms of expression deemed offensive to society, considering factors such as extent, duration, motives of the speaker, and ease with which it could be avoided . With the evolution of the digital age, application of the freedom of speech becomes more controversial as new means of communication and restrictions arise, for example the Golden Shield Project, an initiative by Chinese government's Ministry of Public Security that filters potentially unfavorable data from foreign countries . </P> <P> Freedom of speech and expression has a long history that predates modern international human rights instruments . It is thought that ancient Athenian democratic principle of free speech may have emerged in the late 6th or early 5th century BC . The values of the Roman Republic included freedom of speech and freedom of religion . </P> <P> Concepts of freedom of speech can be found in early human rights documents . England's Bill of Rights 1689 legally established the constitutional right of' freedom of speech in Parliament' which is still in effect . The Declaration of the Rights of Man and of the Citizen, adopted during the French Revolution in 1789, specifically affirmed freedom of speech as an inalienable right . The Declaration provides for freedom of expression in Article 11, which states that: </P>

Where does the phrase freedom of speech come from