Literature Reference: 方嗟三覆役，又喜四愁来。—— 《次韵和光禄钱卿二首 二》 Just lamenting the threefold duty, yet joyously welcoming the four sorrows. Source from 'Ci Yun He Guang Lu Qian Qing Er Shou Er'.
三: meaning to think thrice, or deep thought. acting after thinking thrice, leads to smooth and successful endeavors, earning the trust and confidence of many.
覆: To veil, to envelop.
Meaning: Repetition signifies deep reflection and meticulousness, embodying thorough consideration and continuous improvement.