谁情深如诗谁情薄如纸
[shéi qíng shēn rú shī shéi qíng bó rú zhĭ]
Comparing human emotions ('情感- qínggǎn, sentiments or feelings') with paper thinness versus poetic depth; this user seems intrigued by the paradox or spectrum of profound emotion that lasts versus superficial encounters.