Go the extra mile
Meaning
Put in more effort than is required.
Usage
Popular during customer service or leadership training to praise exceptional effort.
Origin & History
Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.
Christian scripture advises going two miles if compelled for one; later adopted into motivational speech.
Became a motivational catchphrase in 20th-century business literature, often paired with service excellence.