Lao Ji: an old horse. It is often used as a metaphor for an old person who still has great ambitions.
In Cao Cao's "The Turtle is Longevity": "The old man is crouching, and his ambition is a thousand miles. In his twilight years, the martyr's ambition is endless." It describes the old thousand-mile horse lying in the stable, and its ambition is still galloping in a day. Thousands of miles. When people with lofty ambitions reach their later years, their ambition to make progress will not stop. It expresses Cao Cao's heroic spirit of being strong and aggressive. There is also the poem "Giving Wei Zuocheng Zhangji" by Du Fu of the Tang Dynasty: "The old man's thoughts are thousands of miles away, and the hungry eagle is waiting for a call." The poem "Farewell to Zhang Sheng" by Ouyang Xiu of the Song Dynasty: "The old man's bones are strange and his heart is still strong, and the green pines are newer with age. ."
In ancient poetry, most authors use Laoji to express that they still have great ambitions despite their old age.