After noting how little the people had accomplished, in Haggai 2:1-9 God told them to be strong because of his presence with them.
Two parables directed against the religious leaders indicated why they would lose their management of the kingdom, and why others would take their place.
Adam was a type of Christ, each having the same role as the representative of his people, but with opposite outcomes.
The tenth plague was the death of the firstborn of Egypt, which was also the salvation of the people of Israel.