For no phase of life, whether public or private, whether in business or in the home, whether one is working on what concerns oneself alone or dealing with another, can be without its moral duty; on the discharge of such duties depends all that is morally right, and on their neglect all that is morally wrong in life.
When trying a case [the famous judge] L. Cassius never failed to inquire "Who gained by it?" Man's character is such that no one undertakes crimes without hope of gain.
To reduce man to the duties of his own city, and to disengage him from duties to the members of other cities, is to break the universal society of the human race.