This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ductive work is the process by which man’s mind sustains his life, the process that sets man free of the necessity to adjust himself to his background, as all animals do, and gives him the pow
er to adjust his background to himself. Productive work is the road of man’s unlimited achievement and calls upon the highest attributes of his character: his creative ability, his ambitiousne
ss, his self-assertiveness, his refusal to bear uncontested disasters, his dedication to the goal of reshaping the earth in the image of his values. “Productive work” does not mean the unfoc...
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