The Party represents unity of will, which precludes all factionalism and division of authority in the Party.
Joseph Stalin, The Foundations of Leninism
Chapter VIII: The Party
The unification of our country, the unity of our people and the unity of our various nationalities — these are the basic guarantees of the sure triumph of our cause.
Mao Zedong, On the Correct Handling of Contradictions Among the People
February 27, 1957, 1st pocket ed., pp. 1-2.