"First of all, I fully support the report and the various demands that Comrade Li Peng has made on behalf of the Standing Committee of the Political Bureau. Beijing of late is actually in an anarchistic state. Basically, the work of government organs, classes in schools, transportation, industry, and so forth have all been thrown into a confused state. This confused state is, in reality, a state of anarchy. Comrade Li Peng has just said that with regard to such a historic event as the Sino-Soviet talks, we could not hold the welcoming ceremony at Tiananmen. The location was changed to the airport at the last moment. Several discussions that should have been held at the Great Hall of the People were compelled to take place at Diaoyutai Guest House. In addition, some activities previously scheduled were canceled. Such a state of affairs...."
January 1, 1970
https://en.wikiquote.org/wiki/Yang_Shangkun