Rely on the sword
Li Bang Yi Dao, a Chinese idiom, Pinyin is l ì B à ngy à D à o, which means pursuing self-interest is like leaning on the edge of a knife. It means that greed for profit often leads to disaster. It comes from two ancient poems.
Idiom usage
As an object or attribute; used in figurative sentences
The origin of Idioms
"Source of ancient poetry · two ancient poems": "sweet melon embraces bitter pedicel, beautiful jujube produces thorns, there is a knife near the edge, greedy people also steal."
Idiom explanation
Leaning: leaning. On the side of "benefit" is the word Dao, which means that the pursuit of self-interest is like leaning on the edge of a knife. It's a metaphor for greed often leads to disaster.
Rely on the sword
make an unworthy continuation of a great work - gǒu wěi xù diāo
The head of a donkey is not the mouth of a horse - lǘ tóu bù duì mǎ zuǐ
worms breed in decaying matter - wù fǔ chóng shēng