When I first made the acquaintance of a new friend from abroad, I noticed his posh English accent and that he wore a ring on his little finger. Later I learned that this wasn’t just jewelry; it revealed his family’s history through the family crest engraved on it.

It was a bit like a signet ring—perhaps like the one in Haggai. In this short Old Testament book, the prophet Haggai calls for the people of God to restart the rebuilding of the temple. They had been exiled and had now returned to their homeland and begun rebuilding, but enemy opposition to…