The author takes the battle of cranes and eagles as the core, the magnificent landscape of cranes soaring in the air before the war as the foreshadowing, and the rescue of injured cranes after the war as the deepening, showing the strong cohesion of cranes, especially the fearless spirit of uniting as one in the face of strong enemies and sharing weal and woe.

A famous aphorism of unity and unity

1, a light frost kills a grass, but a strong wind cannot destroy thousands of forests.

2. Many people fall and move.

A bonfire can dispel the cold, and unity can drive away the difficulties.

Two fists are harder than four hands.

5, nails and meat are inseparable.

6. If one person can't step on the grass, everyone can step on Yangguan Road.

7. Everything comes from harmony, and strength comes from unity.

8. Unity means survival, while division means death.

9. Not afraid of high waves, but afraid of uneven rowing.

10, fish can't leave water, geese can't wander.

1 1. All friends who have passed the test should closely unite around you. -Shakespeare

12, the weather is not as good as the geographical position, and the geographical position is not as good as people. -"Mencius"

13, one hundred wickers can tie a broom, and five fingers can hold a fist.

14, I am afraid that tigers have wings, but I am afraid that people have second thoughts.

15, the geese have no heads, and the sheep go out to see the sheep.

16, the masses have scales in their hearts.

17, two coordinated forces can be divided into the forces of ten people.

18. Qixin's ants eat deer and magpies catch tigers.

19, a flower is not spring, but a hundred flowers bloom in spring.

20. a straw can't be thrown over the wall, and a wooden head can't hold the beam.