① there seems to be no one on the empty mountain, and yet I think I hear a voice. -Lu Chai by Wang Wei
② after rain the empty mountain, stands autumnal in the evening. -Wang Wei's an autumn evening in the mountains
③ Horseshoe steps on the moon and sounds like an empty mountain, plum blossoms and cold valleys. -Zhao Zifa's "Ruan Langgui, Horseshoe Stepping on the Moon and Ringing the Empty Mountain"