'Amen and Amen' in the Bible

Blessed be the LORD God of Israel, from eternity to eternity. Amen and amen! To the Director: An instruction of the Sons of Korah.

And blessed be his glorious name forever, and may the whole earth be filled with his glory. Amen and amen!

Blessed is the LORD forever! Amen and amen! A prayer by Moses, the godly man