This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ursuit of happiness are not two separate issues. To hold one’s own life as one’s ultimate value, and one’s own happiness as one’s highest purpose are two aspects of the same achievement.
Existentially, the activity of pursuing rational goals is the activity of maintaining one’s life; psychologically, its result, reward and concomitant is an emotional state of happiness. It is
by experiencing happiness that one lives one’s life, in any hour, year or the whole of it. And when one experiences the kind of pure happiness that is an end in itself — the kind that makes...
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