This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...o experience the enjoyment of life: productive work, human relationships, recreation, art, sex.

Productive work is the most fundamental of these: through his work man gains his bas
ic sense of control over existence — his sense of efficacy — which is the necessary foundation of the ability to enjoy any other value. The man whose life lacks direction or purpose, the man who has no creative goal, necessarily feels helpless and out of control; the man who feels helpless and out of control, feels inadequate to and unfit for existence; and the man who feels unfit ...
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