This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... Judged by objective standards, he is engaged in a chronic process of self-sacrifice.
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But if sacrifice is a virtue, it is not the neurotic but the rational man who must be “cured
.” He must leam to do violence to his own rational judgment — to reverse the order of his value hierarchy — to surrender that which his mind has chosen as the good — to turn against and
invalidate his own consciousness.
Do mystics declare that all they demand of man is that he sacrifice his happinessl To sacrifice one’s happiness is to sacrifice one’s desires;...