Psalm 106:48
"Blessed be the LORD God of Israel from everlasting to everlasting: and let all the people say, Amen. Praise ye the LORD."
Cross References (ranked by relevance)
Psalm 41:13
Blessed be the LORD God of Israel from everlasting, and to everlasting. Amen, and Amen.
Psalm 89:52
Blessed be the LORD for evermore. Amen, and Amen.
1 Chronicles 29:10
Wherefore David blessed the LORD before all the congregation: and David said, Blessed be thou, LORD God of Israel our father, for ever and ever.
1 Corinthians 14:16
Else when thou shalt bless with the spirit, how shall he that occupieth the room of the unlearned say Amen at thy giving of thanks, seeing he understandeth not what thou sayest?