Literature Reference: 园荒唯有薪堪采，门冷兼无雀可罗。—— 《与梦得偶同到敦诗宅感而题壁》 The garden is desolate, only firewood is left to gather; the door is cold, not even sparrows can be lured. Source from 'Yu Meng De Ou Tong Dao Dun Shi Zhai Gan Er Ti Bi'.
门: Method, knack.
冷: Calmness. When used in a person's name, it metaphorically signifies the ability to think with composure and avoid impulsiveness in the face of challenges.
Meaning: The cold door signifies tranquility and detachment, symbolizing a state beyond worldly desires.