Self-esteem is reliance on one's power to think... The man of authentic self-confidence is the man who relies on the judgment of his own mind.
Ayn RandPeople, he thought, were as hungry for a sight of joy as he had always been--for a moment's relief from that gray load of suffering which seemed so inexplicable and unnecessary. He had never been able to understand why men should be unhappy.
Ayn Rand