What rhymes with moral duty?
moral du·ty

A duty (from "due" meaning "that which is owing"; Old French: deu, did, past participle of devoir; Latin: debere, debitum, whence "debt") is a commitment or expectation to perform some action in general or if certain circumstances arise. A duty may arise from a system of ethics or morality, especially in an honor culture. Many duties are created by law, sometimes including a codified punishment or liability for non-performance. Performing one's duty may require some sacrifice of self-interest. Cicero, an early Roman philosopher who discusses duty in his work “On Duty", suggests that duties can come from four different sources: as a result of being a human as a result of one's particular place in life (one's family, one's country, one's job) as a result of one's character as a result of one's own moral expectations for oneselfThe specific duties imposed by law or culture vary considerably, depending on jurisdiction, religion, and social normalities.

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