Let the ancient serve the present, let the foreign serve the national; by developing that which has been accomplished one creates something that is new.
Mao ZedongThe commanders and fighters of the entire Chinese People's Liberation Army absolutely must not relax in the least their will to fight; any thinking that relaxes the will to fight and belittles the enemy is wrong.
Mao ZedongAnyone who sees only the bright side but not the difficulties cannot fight effectively for the accomplishment of the Party's tasks.
Mao ZedongChanges in society are due chiefly to the development of the internal contradictions in society, that is, the contradiction between the productive forces and the relations of production, the contradiction between classes and the contradiction between the old and the new; it is the development of these contradictions that pushes society forward and gives the impetu6 for the suppression of the old society by the new.
Mao Zedong