Nine days on the moon: it is said that the sky is nine times heavy, and I dare to go to the sky, showing the spirit of lofty aspirations and fearlessness.

Catch turtles in five oceans: refers to the Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean and Antarctic Ocean, which means to reiterate the meaning of the previous sentence.

These two poems, written by Chairman Mao's Tune to Jinggangshan, imply that the people of China have lofty aspirations and exert their wisdom and strength. No matter how difficult it is, you can do it.

Ling has been in Jinggangshan for a long time. Looking for the old place thousands of miles away, the old look has changed. There are songs and dances everywhere, more gurgling water, high roads into the clouds. After Huang Yangjie, you don't need to think about danger. It is human nature that the storm is moving and the flag is stirring. Thirty-eight years later, with a flick of a finger. You can spend nine days on the moon, catch turtles in five oceans, and laugh and laugh. Nothing is difficult for those who are willing to try.