周恩来说：“各单位的极左思潮都是林彪放纵起来的”，“要批透极左思潮”。毛泽东找张青桥、姚文元谈话：批极左，还是批极右？王若水那封信我看不对，极左思潮少批一点吧。１９７２年８月１日、２日，周恩来连续两天在人民大会堂向回国述职的大使和外事、宣传单位负责人作长 Zhou Enlai said: “The ultra-leftist ideology of all units are Lin Piao to indulge in it,” and “it is necessary to approve the ultra-leftist ideology.” Mao Zedong to find Zhang Qingqiao, Yao Wenyuan talk: criticize the left, or criticize the right? Wang Ruosuo I believe that letter is not right, less left-thinking thin it. On August 1 and 2, 1972, Zhou Enlai briefed the Ambassadors and foreign affairs directors and promoters of publicity units on their return to China in the Great Hall of the People for two consecutive days.