回复：总理也非完人，也犯过很多错误。

I agree with your assesssment.党的路线对了，他就对了，党的路线错了，他就错了. Deng Yin-chiao also said it.
Zhou was most effective and was able to use his abilities, talents, intelligence to the fullest extent ONLY under Mao's leadership. Two great men complement each other.
Mao leads, Zhou executes especially in foreign policy.