Full Idea
Others have spoken of the natural right that everyone has to preserve what belongs to him, without explaining what they mean by 'belonging'.
Gist of Idea
If we have a natural right to property, what exactly does 'belonging to' mean?
Source
Jean-Jacques Rousseau (Discourse on the Origin of Inequality [1754], Pref)
Book Reference
Rousseau,Jean-Jacques: 'The Basic Political Writings', ed/tr. Cress,Donald A. [Hackett 1987], p.38
A Reaction
This is aimed at Locke. What Marxists will challenge is the legitimacy of property ownership, granted by patronage, enclosure, exploitation and conquest. These start as injustices, but that fades after a few generations. Locke has a labour-theory.