We must firmly grasp management. Just making things isn't enough. We need to raise the quality.
Deng XiaopingChairman Mao's greatest contribution was that he applied the principles of Marxism-Leninism to the concrete practice of the Chinese revolution, pointing the way to victory. It should be said that before the sixties or the late fifties many of his ideas brought us victories, and the fundamental principles he advanced were quite correct.
Deng Xiaoping