This is the true essence of sincerity. It takes strength of personality to be truly sincere without over-doing it. Speaking of strength, this is probably the strongest way to convey the idea of sincerity in the Chinese language without over-doing it.

      The first character literally means true, real, and genuine. While the second character means sincere and honest.

      This character means truth, faith, fidelity, sincerity, trust and/or confidence.

      This is also a virtue of the Samurai Warrior