This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...luntary, unforced, uncoerced exchange — an exchange which benefits both parties by their own independent judgment. A trader does not expect to be paid for his defaults, only for his achievemen ts. He does not switch to others the burden of his failures, and he does not mortgage his life into bondage to the failures of others.

In spiritual issues — (by “spiritual” I
mean: “pertaining to man’s consciousness”) — the currency or medium of exchange is different, but the principle is the same. Love, friendship, respect, admiration are the emotional resp...
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