不思量自难忘何处话凄凉
[bù sī liàng zì nán wàng hé chŭ huà qī liáng]
Inspired by Su Shi's poem. 'Unable to think without missing, where shall I talk about loneliness?' It signifies deep-rooted unrequited feelings or sorrows, which remain unforgettable despite efforts not to dwell upon them.