The word 真诚 is formed by combining two independent characters, each carrying deep conceptual weight, into a single integrated idea. 真 (zhēn) conveys "truth" or "genuineness" in the sense of being real and authentic, reflecting one's inner reality. 诚 (chéng) conveys "sincerity" or "honesty", focusing on the forthright and earnest expression of that inner state in one's actions and words. Their union is not merely a sum of parts but a philosophical fusion, creating a compound that represents the complete and virtuous quality where one's internal truth and external expression are perfectly aligned, embodying both authenticity and integrity.