The maxim — “Intentional good deeds deserve no reward; unintentional wrongdoings warrant no punishment” — originates from Strange Tales from Liaozhai Studio: The Examination for the Post of City God (Candidate for the City God). It was Song Tao’s answer during his underworld examination.
My brother-in-law’s grandfather Master Song Tao, a local recipient of a government stipend for bachelors of letters, was lying sick in bed one day when an officer bearing a summons and leading a white-blazed horse came to him and said, ”You are requested to be present at the examination.”