伊人莫相忘故人莫相离
[yī rén mò xiāng wàng gù rén mò xiāng lí]
'Yī Rén Mò Xiāng Wàng Gù Rén Mò Xiāng Lí' means 'Never forget that person (often implying the love), and don't distance from the old friend(s).' It indicates a sentiment of not wanting to lose important relationships in life.