Full Idea
Each private individual's right to his very own store is always subordinate to the community's right to all, without which there could be neither solidity in the social fabric nor real force in the exercise of sovereignty.
Gist of Idea
Private property must always be subordinate to ownership by the whole community
Source
Jean-Jacques Rousseau (The Social Contract (tr Cress) [1762], I.9)
Book Reference
Rousseau,Jean-Jacques: 'The Basic Political Writings', ed/tr. Cress,Donald A. [Hackett 1987], p.153
A Reaction
This may sound a bit drastic, but every country practices this principle, seen in compulsory purchase orders (e.g. to build a railway line). In liberal democracies you expect good compensation. In communist Roumania you were just moved. Also taxation.