Literature Reference: Trouble yourself to think of me sitting in meditation, reporting that the heart is empty with nothing to see. Source from 'Chou Qian Yuanwai Xue Zhong Jian Ji'.
心: Heart and intention, often used in names to signify sincerity, is conducive to attracting noble assistance.
空: The heavens, the expanse.
Meaning: An empty heart signifies a state of clarity and transcendence, free from distractions.