What does it mean to be good at writing articles?

It means: bear justice with generous shoulders, bear great responsibilities, and write wonderful articles with flexible hands to arouse people's consciousness. This sentence is a couplet written by Li Dazhao to his friends, and it is also a portrayal of his life. Morality means morality and justice. "Carrying morality on iron shoulders" means that we should carry forward the burden of morality and justice with strong determination and perseverance and the strength of our whole life. "Writing articles" refers to seeking truth, propagating lofty ideals and progressive political opinions, so as to arouse people's consciousness.