I Have a Pen as Sharp as a Knife

He has learned a lot since childhood and has high ambitions throughout his life; Others carry swords, but I have a pen like a sword. In the morning he was a farmhouse man, and in the evening he ascended to the Emperor's Hall; Generals have no seeds at all, and men should strive for self-improvement. --Excerpts from "The Prodigy Poems" by Wang Zhu of the Northern Song Dynasty