It is necessary to master Marxist theory and apply it, master it for the sole purpose of applying it. If you can apply the Marxist-Leninist viewpoint in elucidating one or two practical problems, you should be commended and credited with some achievement.
Mao ZedongSocialist revolution aims at liberating the productive forces. The changeover from individual to socialist, collective ownership in agriculture and handicrafts and from capitalist to socialist ownership in private industry and commerce is bound to bring about a tremendous liberation of the productive forces. Thus, the social conditions are being created for a tremendous expansion of industrial and agricultural production.
Mao Zedong