Broadly speaking, liberty (Latin: Libertas) is the ability to do as one pleases. In politics, liberty consists of the social, political, and economic freedoms to which all community members are entitled. In philosophy, liberty involves free will as contrasted with determinism. In theology, liberty is freedom from the effects of “sin, spiritual servitude, [or] worldly ties.”
Sometimes liberty is differentiated from freedom by using the word “freedom” primarily, if not exclusively, to mean the ability to do as one wills and what one has the power to do; and using the word “liberty” to mean the absence of arbitrary restraints, taking into account the rights of all involved. In this sense, the exercise of liberty is subject to capability and limited by the rights of others. Thus liberty entails the responsible use of freedom under the rule of law without depriving anyone else of their freedom. Freedom is more broad in that it represents a total lack of restraint or the unrestrained ability to fulfill one’s desires. For example, a person can have the freedom to murder, but not have the liberty to murder, as the latter example deprives others of their right not to be harmed. Liberty can be taken away as a form of punishment. In many countries, people can be deprived of their liberty if they are convicted of criminal acts.
The word “liberty” is often used in slogans, such as “life, liberty, and the pursuit of happiness” or “Liberty, Equality, Fraternity”.
Philosophers from earliest times have considered the question of liberty. Roman Emperor Marcus Aurelius (121180 AD) wrote:
“a polity in which there is the same law for all, a polity administered with regard to equal rights and equal freedom of speech, and the idea of a kingly government which respects most of all the freedom of the governed.”
According to Thomas Hobbes (15881679):
“a free man is he that in those things which by his strength and wit he is able to do is not hindered to do what he hath the will to do” (Leviathan, Part 2, Ch. XXI).
John Locke (16321704) rejected that definition of liberty. While not specifically mentioning Hobbes, he attacks Sir Robert Filmer who had the same definition. According to Locke:
John Stuart Mill (18061873), in his work, On Liberty, was the first to recognize the difference between liberty as the freedom to act and liberty as the absence of coercion. In his book Two Concepts of Liberty, Isaiah Berlin formally framed the differences between these two perspectives as the distinction between two opposite concepts of liberty: positive liberty and negative liberty. The latter designates a negative condition in which an individual is protected from tyranny and the arbitrary exercise of authority, while the former refers to the liberty that comes from self-mastery, the freedom from inner compulsions such as weakness and fear.
The modern concept of political liberty has its origins in the Greek concepts of freedom and slavery. To be free, to the Greeks, was not to have a master, to be independent from a master (to live as one likes). That was the original Greek concept of freedom. It is closely linked with the concept of democracy, as Aristotle put it:
This applied only to free men. In Athens, for instance, women could not vote or hold office and were legally and socially dependent on a male relative.
The populations of the Persian Empire enjoyed some degree of freedom. Citizens of all religions and ethnic groups were given the same rights and had the same freedom of religion, women had the same rights as men, and slavery was abolished (550 BC). All the palaces of the kings of Persia were built by paid workers in an era when slaves typically did such work.
In the Buddhist Maurya Empire of ancient India, citizens of all religions and ethnic groups had some rights to freedom, tolerance, and equality. The need for tolerance on an egalitarian basis can be found in the Edicts of Ashoka the Great, which emphasize the importance of tolerance in public policy by the government. The slaughter or capture of prisoners of war also appears to have been condemned by Ashoka. Slavery also appears to have been non-existent in the Maurya Empire. However, according to Hermann Kulke and Dietmar Rothermund, “Ashoka’s orders seem to have been resisted right from the beginning.”
Roman law also embraced certain limited forms of liberty, even under the rule of the Roman Emperors. However, these liberties were accorded only to Roman citizens. Many of the liberties enjoyed under Roman law endured through the Middle Ages, but were enjoyed solely by the nobility, rarely by the common man. The idea of inalienable and universal liberties had to wait until the Age of Enlightenment.
The social contract theory, most influentially formulated by Hobbes, John Locke and Rousseau (though first suggested by Plato in The Republic), was among the first to provide a political classification of rights, in particular through the notion of sovereignty and of natural rights. The thinkers of the Enlightenment reasoned that law governed both heavenly and human affairs, and that law gave the king his power, rather than the king’s power giving force to law. This conception of law would find its culmination in the ideas of Montesquieu. The conception of law as a relationship between individuals, rather than families, came to the fore, and with it the increasing focus on individual liberty as a fundamental reality, given by “Nature and Nature’s God,” which, in the ideal state, would be as universal as possible.
In On Liberty, John Stuart Mill sought to define the “…nature and limits of the power which can be legitimately exercised by society over the individual,” and as such, he describes an inherent and continuous antagonism between liberty and authority and thus, the prevailing question becomes “how to make the fitting adjustment between individual independence and social control”.
England and following the Act of Union 1707 Great Britain, laid down the cornerstones to the concept of individual liberty.
In 1166 Henry II of England transformed English law by passing the Assize of Clarendon act. The act, a forerunner to trial by jury, started the abolition of trial by combat and trial by ordeal.
In 1215 the Magna Carta was drawn up, it became the cornerstone of liberty in first England, Great Britain and later, the world.
In 1689 the Bill of Rights grants ‘freedom of speech in Parliament’, which lays out some of the earliest civil rights.
In 1859 an essay by the philosopher John Stuart Mill, entitled On Liberty argues for toleration and individuality. If any opinion is compelled to silence, that opinion may, for aught we can certainly know, be true. To deny this is to assume our own infallibility.
In 1958 Two Concepts of Liberty, by Isaiah Berlin, determines ‘negative liberty’ as an obstacle, as evident from ‘positive liberty’ which promotes self-mastery and the concepts of freedom.
In 1948 British representatives attempt to and are prevented from adding a legal framework to the Universal Declaration of Human Rights. (It was not until 1976 that the International Covenant on Civil and Political Rights came into force, giving a legal status to most of the Declaration.) 
According to the 1776 United States Declaration of Independence, all men have a natural right to “life, liberty, and the pursuit of happiness”. But this declaration of liberty was troubled from the outset by the presence of slavery. Slave owners argued that their liberty was paramount, since it involved property, their slaves, and that Blacks had no rights that any White man was obliged to recognize. The Supreme Court, in the Dred Scott decision, upheld this principle. It was not until 1866, following the Civil War, that the US Constitution was amended to extend these rights to persons of color, and not until 1920 that these rights were extended to women.
By the later half of the 20th century, liberty was expanded further to prohibit government interference with personal choices. In the United States Supreme Court decision Griswold v. Connecticut, Justice William O. Douglas argued that liberties relating to personal relationships, such as marriage, have a unique primacy of place in the hierarchy of freedoms. Jacob M. Appel has summarized this principle:
I am grateful that I have rights in the proverbial public square but, as a practical matter, my most cherished rights are those that I possess in my bedroom and hospital room and death chamber. Most people are far more concerned that they can control their own bodies than they are about petitioning Congress.
In modern America, various competing ideologies have divergent views about how best to promote liberty. Liberals in the original sense of the word see equality as a necessary component of freedom. Progressives stress freedom from business monopoly as essential. Libertarians disagree, and see economic freedom as best. The Tea Party movement sees big government as the enemy of freedom.
France supported the Americans in their revolt against English rule and, in 1789, overthrew their own monarchy, with the cry of “Libert, galit, fraternit”. The bloodbath that followed, known as the reign of terror, soured many people on the idea of liberty. Edmund Burke, considered one of the fathers of conservatism, wrote “The French had shewn themselves the ablest architects of ruin that had hitherto existed in the world.”
According to the Concise Oxford Dictionary of Politics, liberalism is “the belief that it is the aim of politics to preserve individual rights and to maximize freedom of choice”. But they point out that there is considerable discussion about how to achieve those goals. Every discussion of freedom depends on three key components: who is free, what they are free to do, and what forces restrict their freedom. John Gray argues that the core belief of liberalism is toleration. Liberals allow others freedom to do what they want, in exchange for having the same freedom in return. This idea of freedom is personal rather than political. William Safire points out that liberalism is attacked by both the Right and the Left: by the Right for defending such practices as abortion, homosexuality, and atheism, and by the Left for defending free enterprise and the rights of the individual over the collective.
According to the Encyclopdia Britannica, Libertarians hold liberty as their primary political value. Their approach to implementing liberty involves opposing any governmental coercion, aside from that which is necessary to prevent individuals from coercing each other.
According to republican theorists of freedom, like the historian Quentin Skinner or the philosopher Philip Pettit, one’s liberty should not be viewed as the absence of interference in one’s actions, but as non-domination. According to this view, which originates in the Roman Digest, to be a liber homo, a free man, means not being subject to another’s arbitrary will, that is to say, dominated by another. They also cite Machiavelli who asserted that you must be a member of a free self-governing civil association, a republic, if you are to enjoy individual liberty.
The predominance of this view of liberty among parliamentarians during the English Civil War resulted in the creation of the liberal concept of freedom as non-interference in Thomas Hobbes’ Leviathan.
Socialists view freedom as a concrete situation as opposed to a purely abstract ideal. Freedom is a state of being where individuals have agency to pursue their creative interests unhindered by coercive social relationships, specifically those they are forced to engage in as a requisite for survival under a given social system. Freedom thus requires both the material economic conditions that make freedom possible alongside social relationships and institutions conducive to freedom.
The socialist conception of freedom is closely related to the socialist view of creativity and individuality. Influenced by Karl Marx’s concept of alienated labor, socialists understand freedom to be the ability for an individual to engage in creative work in the absence of alienation, where “alienated labor” refers to work people are forced to perform and un-alienated work refers to individuals pursuing their own creative interests.
For Karl Marx, meaningful freedom is only attainable in a communist society characterized by superabundance and free access. Such a social arrangement would eliminate the need for alienated labor and enable individuals to pursue their own creative interests, leaving them to develop and maximize their full potentialities. This goes alongside Marx’s emphasis on the ability of socialism and communism progressively reducing the average length of the workday to expand the “realm of freedom”, or discretionary free time, for each person. Marx’s notion of communist society and human freedom is thus radically individualistic.
Some authors have suggested that a virtuous culture must exist as a prerequisite for liberty. Benjamin Franklin stated that “only a virtuous people are capable of freedom. As nations become corrupt and vicious, they have more need of masters.” Madison likewise declared: “To suppose that any form of government will secure liberty or happiness without any virtue in the people, is a chimerical idea.” John Adams acknowledged: “Our constitution was made only for a moral and religious people. It is wholly inadequate to the government of any other.”
“This also is remarkable in India, that all Indians are free, and no Indian at all is a slave. In this the Indians agree with the Lacedaemonians. Yet the Lacedaemonians have Helots for slaves, who perform the duties of slaves; but the Indians have no slaves at all, much less is any Indian a slave.”
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