故人以北爱荒凉流年以北慕城南
[gù rén yĭ bĕi ài huāng liáng liú nián yĭ bĕi mù chéng nán]
'The Old Days to the North, Love Lies Desolately. Years Pass by to the North, Admiring the South City'. '故人' here may mean past memories or beloved one who stays far away, symbolized by north in ancient Chinese literature. '爱荒凉流年' (love is desolate as years passed by) indicates time makes people feel lonely, adding the admiration towards some distant places or people.