I came across a piece about this folk Christmas carol the Monkees sang at the end of one of their TV series Christmas episodes. The writer provided some background and a translation of the lyrics.

You have unfinished business! Pursuing your calling is your unfinshed business and is critical to your resiliency. To learn how to get started, find your way, and sustain your journey, read Your Unfinished Business: Find God in Your Circumstances, Serve Others in Theirs.