The phrase "last verse" refers to the final part of a song or poem where it typically concludes the story or message being conveyed. It is the closing section that signals the end of the piece. Full definition
This verse is the very last verse in the English Old Testament. (redeeminggod.com)
The very last verse of the biblical books of the prophets reads, «Look, I will send you the prophet Elijah before the great and terrible day of the Lord comes. (religion-online.org)
The same idea is borne out in the oft - debated last verse of the same chapter, «You, therefore, must be perfect, as your heavenly Father is perfect» (v. 48), and in the correlative passage in Luke, «Be merciful, even as your Father is merciful» (6:36). (religion-online.org)