Literature Reference: 思归知病长，失寝觉神劳。—— 《荅李频秀才》 Longing for home, I know my illness lingers; sleepless, I feel my spirit weary. Source from 'Reply to Li Pin, the Scholar'.
神: Spirit, expression, and thought.
劳: Labor. Toil. The activity of humankind in creating material or spiritual wealth.
Meaning: A weary spirit, yet one that seeks and reflects on inner peace.