This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...ociety where men deliver a billion dollars’ worth of goods on credit, or contract to build multimillion-dollar structures, or sign ninety-nine-year leases.

A unilateral breach of
contract involves an indirect use of physical force: it consists, in essence, of one man receiving the material values, goods or services of another, then refusing to pay for them and thus keep ing them by force (by mere physical possession), not by right — i.e., keeping them without the consent of their owner. Fraud involves a similarly indirect use of force: it consists of obtainin...
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