This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
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Anxiety and guilt, the antipodes of self-esteem and the insignia of mental illness, are the disintegrators of thought, the distorters of values and the paralyzers of action.
r /> When a man of self-esteem chooses his values and sets his goals, when he projects the long-range purposes that will unify and guide his actions — it is like a bridge thrown to the future,
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.