This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... 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 for existence is incapable of enjoying it.

One of the hallmarks of a man of self-esteem, who regards the universe as open to his effort, is the profound pleasure he experiences in
the productive work of his mind; his enjoyment of life is fed by his unceasing concern to grow in knowledge and ability — to think, to achieve, to move forward, to meet new challenges and over...
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