This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...used performance of the motions of some job. It means the consciously chosen pursuit of a productive career, in any line of rational endeavor, great or modest, on any level of ability. It is not the degree of a man’s ability nor the scale of his work that is ethically relevant here, but the fullest and most purposeful use of his mind.

The virtue of Pride is the recognit
ion of the fact “that as man must produce the physical values he needs to sustain his life, so he must acquire the values of character that make his life worth sustaining — that as man is a ...
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