Idiom story about waiting for the rabbit

Sit back and wait: There is no such thing as nothing in the world, only hard work can produce good results.

People in the Song Dynasty had cultivators. There was a plant in the field. A rabbit walked along and touched the plant. It broke its neck and died. Because he released his weeds and guarded the plant, he hoped to get the rabbit again. The rabbit cannot be recovered, but as a Song Dynasty, it laughs. Inspiration: There is nothing in the world that comes without hard work. Only hard work can produce good results.

Explanation: Plant: tree roots exposed above the ground. It is a metaphor for original experience; keep: narrow experience, not knowing how to adapt, and rigidly adhering to dogma.

From: "Han Feizi·Five Beetles" (chu) records: During the Warring States Period, a farmer in the Song State saw a rabbit hit the root of a tree and died, so he put down his hoe and waited by the root of the tree, hoping to get another rabbit. Killed rabbit.

Example: I believe that my brother must have been born to serve the country. How can he be a ~ generation?