与其卑微的挽留倒不如痛快的放手
[yŭ qí bēi wēi de wăn liú dăo bù rú tòng kuài de fàng shŏu]
'Better to let go with relief than hold on humbly' implies that it's better to move on from something (or someone) that makes one feel undervalued, emphasizing self-respect and decisiveness.