猫有九命却有一心鱼有七忆却会心疼
[māo yŏu jiŭ mìng què yŏu yī xīn yú yŏu qī yì què huì xīn téng]
'Cats have nine lives but only one heart; fish remember only seven things but will have heartache,' plays on the common saying about cats having multiple lives to express steadfastness in love or emotion, while highlighting even creatures with limited recall capability can feel genuine emotional pain.