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.
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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;...