菇凉凉情莫凉心
[gū liáng liáng qíng mò liáng xīn]
A play on words that sounds poetic and conveys the sentiment of letting feelings cool but not letting one's heart turn cold. The literal meanings 'Gu Liang liang Qing Mo Liang Xin' suggest keeping your feelings composed, but still retaining warmth in your heart.