Li Shan's annotated version: Huainanzi said: Taiyi is the prison of heaven and earth. Shuowen said: Frustration means breaking. Han Shi Waizhuan says: The pen of the scribe is improved, the sharp edge of the warrior is improved, and the tongue of the debater is improved.
This sentence is an intertextual figure of speech and cannot be translated separately. The two sentences must be combined and translated together. It means that all things in the world are reduced and gathered on tangible paper through the tip of the pen.