This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...d at the expense of those who have not achieved it.

Therefore, he never imagines that he has any sort of unearned, unilateral claim on any human being — and he never leaves his i
nterests at the mercy of any one person or single, specific concrete. He may need clients, but not any one particular customer — he may need a job, but not any one particular job.

> If he encounters competition, he either meets it or chooses another line of work. There is no job so slow that a better, more skillful performance of it would pass unnoticed and unappreciated;...
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