...the imperialist war schemes, the struggle to defend world peace and the fight for human progress. We wholeheartedly wish the Soviet people continued new and even more brilliant achievements in their magnificent undertaking of conquering cosmic space.

Mao Zedong
Chairman of the Central Committee of the Communist Party of China

Liu Shaoqi
Chairman of the People's Republic of China

Zhou Enlai
Premier of the State Council of the People's Republic of China

August 15, 1962