Years after Solomon’s temple and the city of Jerusalem had been destroyed, the Persians conquered the Babylonians, allowing the Jews to return home from captivity. They began rebuilding God’s temple, as He commanded them to, but life got hard and they slowly abandoned the work, turning instead to their own houses. Enter Haggai in 520 B.C. Sent by God to help the people refocus, he preached about the priority and importance of the kingdom of God.