心如深渊天然远心如暮光天然暖
[xīn rú shēn yuān tiān rán yuăn xīn rú mù guāng tiān rán nuăn]
'Heart like an abyss naturally distant; heart like twilight, naturally warm,' expresses having emotions that are deep yet seem unreachable (like an abyss), contrasted by being warm inside similar to a sunset’s glow.