What is the origin of the idiom "best of both worlds" and when to use it?

The idiom "best of both worlds" originated in the late 19th century and is used to describe a situation or outcome where one is able to enjoy the advantages or benefits of two different options simultaneously, without having to choose between them. This idiomatic expression is used to imply a harmonious combination or integration of two desirable elements, allowing one to experience the positive aspects of both choices or situations.