(idiom) to persevere unremittingly; to keep going until the end; persistent

to persist in something without change; to be unswerving; to hold fast to a commitment or belief

The Four Cardinal Principles proposed by Deng Xiaoping in 1979; specifically upholding the socialist road, the dictatorship of the proletariat, the leadership of the Communist Party, and Marxism-Leninism-Mao Zedong Thought

To persist onwards or keep going with a task or effort

to persevere until the very end without giving up