liú shuǐ bù fǔ , hù shū bù dù
Traditional: 流水不腐，戶樞不蠹
流水不腐，户枢不蠹 (liú shuǐ bù fǔ , hù shū bù dù) is a Chinese word meaning “lit. flowing water does not rot, nor a door-hinge rust (idiom); fig. constant activity prevents decay”.
Meanings
- 1lit. flowing water does not rot, nor a door-hinge rust (idiom)
- 2fig. constant activity prevents decay