What thoughts and gratitude are expressed in the nine extracurricular ancient poems?

Nine extracurricular ancient poems, one to ten, cannot be listed one by one, here are three:

1. "Climbing the Tower" is a poem written by Du Fu, a poet in the Tang Dynasty. The seven-character rhyme poem is a poem that touches the time and matters. The author wrote that when he climbed up the stairs and saw the boundless spring scenery, he could not help but feel sad and sigh when he thought about the difficulties in all directions and the changing clouds. Then I thought that the imperial court was like the North Pole constellation, unshakable. Even if Tibet invaded, it would be difficult to change people's orthodoxy. Finally, he revealed his ambition to imitate Zhuge Liang and assist the court, and he had the courage to clarify the world. The whole poem is lyrical about the scenery, describing the impressions of climbing up the stairs, looking up and down, integrating mountains, rivers, historical sites, and personal feelings. The language is grand and broad, and the sentiments are far-reaching. They are all focused on space, reflecting the poet's melancholy and frustrated artistic style.

2. "Looking at the Moon and Feeling" is one of the famous seven-rhythm poems by Bai Juyi, a poet of the Tang Dynasty. This poem describes the desolation of the countryside and the separation of flesh and blood during the turmoil, expresses the disasters caused by the war to the people, and expresses the longing between brothers and sisters. The whole poem is closely tied to the theme, the words are clear and beautiful, without any embellishment, light and elegant, with profound meaning and moving charm.

3. "The Journey of the Governor of Yanmen" is a poem describing war scenes created by the Tang Dynasty poet Li He using ancient Yuefu inscriptions. This poem uses rich and mottled colors to describe tragic and tragic battle scenes, and the strange pictures accurately express the frontier scenery and the ever-changing war situation at a specific time and place. The first couplet depicts scenes and events, exaggerating the tense atmosphere and critical situation when troops approach the city, and uses sunlight to show the majesty of the defenders; the jaw couplet exaggerates the tragic atmosphere of the battlefield and the cruelty of the battle from both auditory and visual aspects; the neck couplet depicts night attacks and bloody battles by the troops. scene; the tail couplet quotes allusions to express the soldiers' determination to serve the country to the death. The whole poem has a desolate artistic conception and a tragic style, which has strong shocking power and artistic charm.