极: Positive, North Pole. Originally referring to the main beam of a house, it later extended to mean the pinnacle, the highest point, and other similar connotations.
诚: Integrity and Simplicity, embodying honesty. When used in personal names, it often signifies a person's genuine sincerity, trustworthiness, and the commendable quality of keeping one's word without fail.
Meaning: Extreme sincerity, representing utmost honesty and genuineness.