"To do evil a human being must first of all believe that what he's doing is good, or else that it's a well-considered act in conformity with natural law. Fortunately, it is in the nature of the human being to seek a justification for his actions."
Aleksandr Solzhenitsyn was a Russian novelist, historian, and dissident whose works exposed the Soviet forced-labor camp system. His major books include One Day in the Life of Ivan Denisovich and The Gulag Archipelago. He received the Nobel Prize in Literature in 1970.