“The mental practice that underlies the anti-effort attitude is the act of evasion, of blanking out some fact of reality which one dislikes. This act constitutes the essence of irrationality and, therefore, of evil. Evasion is the Objectivist equivalent of a mortal sin. It is the only such sin that we recognize, because it is what makes possible every other form of moral corruption. 27.”

“The mental practice that underlies the anti-effort attitude is the act of evasion, of blanking out some fact of reality which one dislikes. This act constitutes the essence of irrationality and, therefore, of evil. Evasion is the Objectivist equivalent of a mortal sin. It is the only such sin that we recognize, because it is what makes possible every other form of moral corruption. 27.”

— Leonard Peikoff