It shows that cicada's voice can spread far because of its high voice, not because of external forces such as autumn wind.
Explain that a person's noble quality depends on his own efforts and hard work, without the help of others.
It means that to be an official and be a man, you must stand tall and have virtue in order to speak loudly and enjoy a wide reputation.
cicada
Dynasty: Tang Dynasty
Author: Yu Shinan
Original text:
Cicada droops like a tassel on a hat, its tentacles suck the clear dew, and its voice spreads from the branches of the straight Shulang tree.
Cicada is far away from cicada because cicada is on a tall tree, not relying on autumn wind.
translate
The cicada lowered its head and drank the clear dew, and made a cry on the tall plane tree.
It lives in a high place, and the sound can naturally travel far, without the help of autumn wind.