This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...n of contractual relationships rests on individual rights, individual choices, individual agreements. Every agreement is delimited, specified and subject to certain conditions, that is, dependen t upon a mutual trade to mutual benefit.

This is true of all legitimate groups or associations in a free society: partnerships, business concerns, professional associations, labor
unions ( voluntary ones), political parties, etc. It applies also to all agency agreements: the right of one man to act for or represent another or others is derived from the rights of those he ...
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