Buy a Fidelity Personal Integrity Honor calligraphy wall scroll here!
操守 is the Chinese and Japanese Kanji for personal integrity, constancy, fidelity, and honor/honour.
The original meaning of the first character is chastity, fidelity, honor, and/or faith.
The second character means to defend, guard, keep watch, and be observant.
So, this is about being observant of and guarding your integrity and honor.