Usage: as subject and object.
Source: Proverbs: "A rolling stone gathers no moss, and it gathers no wealth when changing jobs." Interpretation: A rolling stone gathers no moss, and people who change careers frequently cannot accumulate wealth.
Extended data:
The idiom "a rolling stone gathers no moss" has a similar meaning, such as "running water does not rot, and a family does not gnaw it".
"Running water does not rot, hinges do not decay" means that running water does not stink, and the door shaft that turns frequently does not decay. Metaphor often exercise, vitality can last, and there is strong vitality. ?
Quotations: Modern Mao Zedong's "On the Coalition Government": "Running water does not rot, and family members do not bite, which shows that they resist the erosion of microorganisms or other organisms in constant exercise."