Matthew 12:34-35

You brood of vipers, how can you speak good when you are evil? For the mouth utters what the heart is full of.

Philippians 3:7-9

But for Christ's sake I have learned to count my former gains a loss;

1 Peter 2:9-10

But you are the elect race, the royal priesthood, the consecrated nation, the People who belong to Him, that you may proclaim the wondrous deeds of Him who has called you from darkness to his wonderful light ??10 you who once were no people and now are God's people, you who once were unpitied and now are pitied.

Revelation 15:3-4

and they were singing the song of Moses the servant of God and the song of the Lamb ??"Great and marvellous are thy deeds, Lord God almighty! Just and true thy ways, O King of nations!

Revelation 19:1-3

After that I heard what was like the shout of a great host in heaven, crying, "Hallelujah! salvation and glory and power are our God's!

Treasury of Scripture Knowledge

Summary

They shall abundantly utter the memory of thy great goodness, and shall sing of thy righteousness.

Bible References

Abundantly

Matthew 12:34
You brood of vipers, how can you speak good when you are evil? For the mouth utters what the heart is full of.
1 Peter 2:9
But you are the elect race, the royal priesthood, the consecrated nation, the People who belong to Him, that you may proclaim the wondrous deeds of Him who has called you from darkness to his wonderful light ??10 you who once were no people and now are God's people, you who once were unpitied and now are pitied.

Sing

Philippians 3:7
But for Christ's sake I have learned to count my former gains a loss;
Revelation 15:3
and they were singing the song of Moses the servant of God and the song of the Lamb ??"Great and marvellous are thy deeds, Lord God almighty! Just and true thy ways, O King of nations!
Revelation 19:1
After that I heard what was like the shout of a great host in heaven, crying, "Hallelujah! salvation and glory and power are our God's!