旧人旧爱旧时光新欢新爱新感情
[jiù rén jiù ài jiù shí guāng xīn huān xīn ài xīn găn qíng]
Expresses the feeling of reminiscence for the 'old days, old friends and former loves'. While welcoming 'new affections and relationships', implying acceptance and transition from past to future lives.