This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...pecialize in other fields. This form of cooperation allows all men who take part in it to achieve a greater knowledge, skill and productive return on their effort than they could achieve if each had to produce everything he needs, on a desert island or on a self-sustaining farm.

“But these very benefits indicate, delimit and define what kind of men can be of value to on
e another and in what kind of society: only rational, productive, independent men in a rational, productive, free society.” (“The Objectivist Ethics.”)

A society that robs an...
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