长伴青灯
[zhăng bàn qīng dēng]
'Accompanied By Green Light For Long' implies the imagery of leading a monastic life, spending days with green lamps, yellow卷 means ancient book in Chinese context here), indicating loneliness, seclusion, a simple, frugal and unmaterialistic way of living which might reflect on monastics like monks and hermits who devote themselves to the spirit life rather than mundane matters.