This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
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The first is the fact that ^//-sacrifice means — and can only mean — rnind- sacrifice.
A sacrifice, it is necessary to remember, means the surrender of a higher value in
favor of a lower value or of a nonvalue. If one gives up that which one does not value in order to obtain that which one does value — or if one gives up a lesser value in order to obtain a gr
eater one — this is not a sacrifice, but a gain.
Remember further that all of a man’s values exist in a hierarchy; he values some things more than others; and, to the extent th...