This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...t until he is able to say: “I want it because it is right.”
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The Law of Identity (A is A) is a rational man’s paramount consideration in the process of determining his interes
ts. He knows that the contradictory is the impossible, that a contradiction cannot be achieved in reality and that the attempt to achieve it can lead only to disaster and destruction. Therefore,
he does not permit himself to hold contradictory values, to pursue contradictory goals, or to imagine that the pursuit of a contradiction can ever be to his interest.
Only an irra...