This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...al agreement, and are merely the application of these individual rights to a specific undertaking. Every legitimate group undertaking is based on the participants’ right of free association an
d free trade. (By “legitimate,” I mean: noncriminal and freely formed, that is, a group which no one was forced to join.)
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For instance, the right of an industrial concern to en
gage in business is derived from the right of its owners to invest their money in a productive venture — from their right to hire employees — from the right of the employees to sell their se...