Literature Reference: 鸣磬爱山静，步虚宜夜凉。—— 《夕游覆釜山道士观因登玄元庙》 The chime loves the mountain's silence, and walking in emptiness suits the cool night. Source from 'Xi You Fu Fu Shan Dao Shi Guan Yin Deng Xuan Yuan Miao'.
步: Progress, signifying a favorable environment. To follow, in harmonious rhythm.
虚: Illusion. Idleness. Vanity.
Meaning: Walking in emptiness symbolizes transcending worldly concerns and pursuing spiritual freedom and tranquility.