最卑贱不过感情最凉不过是人心
[zuì bēi jiàn bù guò găn qíng zuì liáng bù guò shì rén xīn]
'Nothing Is More Humble Than Emotions; Nothing Colder Than Human Heart' underscores profound sadness and disillusionment regarding human interactions and sentiments. It reflects on the vulnerability of feelings and the cold realities people might experience.