"We must suffer. Our five sense are dulled by inordinate pleasure. Penance makes them keen, gives them back their natural vitality, and more. Penance clears the eye of conscience and of reason. It helps think clearly, judge sanely. It strengthens the action of our will."

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Freedom is necessary for two reasons. It's necessary for the individual, because the individual, no matter how good the society is, every individual has hopes, fears, ambitions, creative urges, that transcend the purposes of his society. Therefore we have a long history of freedom, where people try to extricate themselves from tyranny for the sake of art, for the sake of science, for the sake of religion, for the sake of the conscience of the individual - this freedom is necessary for the individual.

— Reinhold Niebuhr