Matthew 12:34-35

"Broods of vipers! how can ye speak good things, being yourselves evil? For, out of the abundance of the heart, the mouth speaks.

2 Corinthians 9:11-12

ye being enriched in everything to all liberality, which works through us thanksgiving to God.

Philippians 3:7-9

But what things were gain to me, these I accounted loss for Christ.

1 Peter 2:9-10

But ye are "an elect race, a kingly priesthood, a holy nation," a people for a possession, that ye may show forth the excellencies of Him Who called you out of darkness into His marvelous light;

Revelation 15:3-4

And they sang the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and marvelous are Thy works, O Lord God, the Almighty; righteous and true are Thy ways, Thou King of the ages.

Revelation 19:1-3

After these things I heard as it were a great voice of a great multitude in Heaven, saying, "Hallelujah! the salvation, and the glory, and the 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
"Broods of vipers! how can ye speak good things, being yourselves evil? For, out of the abundance of the heart, the mouth speaks.
2 Corinthians 9:11
ye being enriched in everything to all liberality, which works through us thanksgiving to God.
1 Peter 2:9
But ye are "an elect race, a kingly priesthood, a holy nation," a people for a possession, that ye may show forth the excellencies of Him Who called you out of darkness into His marvelous light;

Sing

Philippians 3:7
But what things were gain to me, these I accounted loss for Christ.
Revelation 15:3
And they sang the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and marvelous are Thy works, O Lord God, the Almighty; righteous and true are Thy ways, Thou King of the ages.
Revelation 19:1
After these things I heard as it were a great voice of a great multitude in Heaven, saying, "Hallelujah! the salvation, and the glory, and the power, are our God's;