This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...esponding virtues: Rationality, Productiveness, Pride.
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Productive work is the central purpose of a rational man’s life, the central value that integrates and determines the hiera
rchy of all his other values. Reason is the source, the precondition of his productive work — pride is the result.
Rationality is man’s basic virtue, the source of all his othe
r virtues. Man’s basic vice, the source of all his evils, is the act of unfocusing his mind, the suspension of his consciousness, which is not blindness, but the refusal to see, not ignorance,...