What is the origin of the idiom "make a virtue of necessity" and when to use it?

The idiom "make a virtue of necessity" has a complex origin, with roots in ancient Roman philosophy and literature. It can be traced back to the works of Horace, a Roman poet from the first century BC. Horace expressed the idea that one can display virtue or admirable qualities by gracefully accepting and making the most of circumstances that cannot be changed. The phrase was later paraphrased in English as "make a virtue of necessity" to convey the concept of finding positive aspects or virtues in situations that are unavoidable or undesirable. It is used to encourage a positive and proactive mindset in dealing with challenges, limitations, or constraints.