This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...o conflict of interests among men who do not desire the unearned, who do not make sacrifices nor accept them, who deal with one another as traders, giving value for value.
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ciple of trade is the only rational ethical principle for all human relationships, personal and social, private and public, spiritual and material. It is the principle of justice.
A trader is a man who earns what he gets and does not give or take the undeserved. He does not treat men as masters or slaves, but as independent equals. He deals with men by means of a free, vo...