“In a certain sense the liberation of slaves is the destruction of property — property acquired by descent or by purchase, the same as any other property.”
1860s, Second State of the Union address (1862)
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Abraham Lincoln 618
16th President of the United States 1809–1865Related quotes

Compromise proposal http://www.civilwarcauses.org/comp.htm#Jefferson%20Davis%20of%20Mississippi (24 December 1860)
1860s

2000s, The Real Abraham Lincoln: A Debate (2002), Q&A

“The slave-holder claims the slave as his Property.”
A Human Being Cannot Be Justly Owned (1835)
Context: The slave-holder claims the slave as his Property. The very idea of a slave is, that he belongs to another, that he is bound to live and labor for another, to be another’s instrument, and to make another’s will his habitual law, however adverse to his own. Another owns him, and, of course, has a right to his time and strength, a right to the fruits of his labor, a right to task him without his consent, and to determine the kind and duration of his toil, a right to confine him to any bounds, a right to extort the required work by stripes, a right, in a word, to use him as a tool, without contract, against his will, and in denial of his right to dispose of himself, or to use his power for his own good. “A slave,” says the Louisiana code, “is in the power of the master to whom he belongs. The master may sell him, dispose of his person, his industry, his labor; he can do nothing, possess nothing, nor acquire any thing, but which must belong to his master.” “Slaves shall be deemed, taken, reputed, and adjudged,” say the South-Carolina laws, “to be chattels personal in the hands of their masters, and possessions to all intents and purposes whatsoever.” Such is slavery, a claim to man as property. Now this claim of property in a human being is altogether false, groundless. No such right of man in man can exist. A human being cannot be justly owned. To hold and treat him as property is to inflict a great wrong, to incur the guilt of oppression.

Letter http://www.franklinpapers.org/franklin/framedVolumes.jsp to Robert Morris (25 December 1783).
Epistles
Context: All Property indeed, except the Savage’s temporary Cabin, his Bow, his Matchcoat, and other little Acquisitions absolutely necessary for his Subsistence, seems to me to be the Creature of publick Convention. Hence the Public has the Right of Regulating Descents & all other Conveyances of Property, and even of limiting the Quantity & the Uses of it. All the Property that is necessary to a Man for the Conservation of the Individual & the Propagation of the Species, is his natural Right which none can justly deprive him of: But all Property of the Publick, who by their Laws have created it, and who may therefore by other Laws dispose of it, whenever the Welfare of the Publick shall demand such Disposition. He that does not like civil Society on these Terms, let him retire & live among Savages. — He can have no right to the Benefits of Society who will not pay his Club towards the Support of it.

“The slaves of socialism are slaves, but they are no one's property and therefore no one's loss.”
Capitalism: A Treatise on Economics (1996)

As expressed in Galileo's Finger: The Ten Great Ideas of Science (2003) by Peter Atkins, Ch. 10 "Arithmetic : The Limits of Reason", p. 333
Peano axioms
Context: 1. 0 is a number.
2. The immediate successor of a number is also a number.
3. 0 is not the immediate successor of any number.
4. No two numbers have the same immediate successor.
5. Any property belonging to 0 and to the immediate successor of any number that also has that property belongs to all numbers.

Quotes 1990s, 1995–1999, The Common Good (1998)