This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... A blocked consciousness, an evading consciousness, a consciousness tom by conflict and divided against itself, a consciousness disintegrated by fear or immobilized by depression, a consciousnes s dissociated from reality, is an unhealthy consciousness. (For a fuller discussion of this issue, see the chapter entitled “Objectivism and Psychology” in my book Who Is Ayn RancP. )

In order to deal with reality successfully — to pursue and achieve the values which his life requires — man needs self-esteem: he needs to be confident of his efficacy and worth.
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