进退有节 jìn tuì yǒu jié 礼奢宁俭 lǐ shē níng jiǎn 老死不相往来 lǎo sǐ bù xiāng wǎng lái 流水不腐，户枢不蝼 liú shuǐ bù fǔ，hù shū bù lóu