This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... is that nothing has the power to give them pleasure, that authentic enjoyment seems impossible to them. This is the inevitable dead end of the policy of pleasure-as-escape.
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serve an unclouded capacity for the enjoyment of life, is an unusual moral and psychological achievement. Contrary to popular belief, it is the prerogative, not of mindlessness, but of an unremi
tting devotion to the act of perceiving reality, and of a scmpulous intellectual integrity. It is the reward of self-esteem.