Literature Reference: Sincere words are without deceit, trustworthy and verifiable. Source from 'Zuo Zhuan'.
贞: Loyalty and steadfastness. Often used in conjunction with unwavering devotion, it signifies remaining true to one's cherished principles with resolute determination.
言: Speech, language. When used in personal names, this character often signifies excellent communication skills and a cheerful disposition, which are advantageous for social connections and also denote talent.
Meaning: Sincere words are honest and trustworthy.