The possession of all external goods is changeable and uncertain; which is one of the most considerable impediments to the establishment of society, and is the reason why, by universal agreement, express or tacite, men restrain themselves by what we now call the rules of justice and equity.
 David Hume, A Treatise of Human Nature (1738). copy citation

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Author David Hume
Source A Treatise of Human Nature
Topic justice society
Date 1738
Language English
Reference
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Weblink http://www.gutenberg.org/files/4705/4705-h/4705-h.htm

Context

“We must, therefore, seek for some other circumstance, that may give rise to property after society is once established; and of this kind, I find four most considerable, viz. Occupation, Prescription, Accession, and Succession. We shall briefly examine each of these, beginning with Occupation. The possession of all external goods is changeable and uncertain; which is one of the most considerable impediments to the establishment of society, and is the reason why, by universal agreement, express or tacite, men restrain themselves by what we now call the rules of justice and equity. The misery of the condition, which precedes this restraint, is the cause why we submit to that remedy as quickly as possible; and this affords us an easy reason, why we annex the idea of property to the first possession, or to occupation.” source