The great Cultural Revolution that Chairman Mao himself had wanted and guided has wiped out the restoration plots engineered by Liu Shaoqi, Lin Piao, Deng Xiaoping, and permitted us to conquer again the power they had usurped inside the party and in the structure of the state.

His speech at the funeral of Mao Zedong

Deng: Cleaning Up Mao's 'Feudal Mistakes'[washingtonpost.com]