The main form of struggle is war; the main form of organization is the army... . Without armed struggle there would be no place for the proletariat, there will be no place for the people, there will be no place for the Communist Party, and there will be no victory in revolution.
Mao ZedongIn general, any form of exercise, if pursued continuously, will help train us in perseverance. Long-distance running is particularly good training in perseverance.
Mao Zedong