This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... across which his life will pass, a bridge supported by the conviction that his mind is competent to think, to judge, to value, and that he is worthy of enjoying values.

This sense
of control over reality is not the result of special skills, ability or knowledge. It is not dependent on particular successes or failures. It reflects one’s fundamental relationship to reali ty, one’s conviction of fundamental efficacy and worthiness. It reflects the certainty that, in essence and in principle, one is right for reality. Self-esteem is a metaphysical estimate.
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