Isaiah 51:11

The ransomed of the LORD shall return, and come with singing to Zion; and everlasting joy shall be on their heads. They shall obtain gladness and joy. Sorrow and sighing shall flee away.

Isaiah 35:10

The LORD's ransomed ones will return, and come with singing to Zion; and everlasting joy will be on their heads. They will obtain gladness and joy, and sorrow and sighing will flee away."

Revelation 7:17

for the Lamb who is in the midst of the throne shepherds them, and leads them to springs of waters of life. And God will wipe away every tear from their eyes."

Isaiah 25:8

He has swallowed up death forever. The Lord GOD will wipe away tears from off all faces. He will take the reproach of his people away from off all the earth, for the LORD has spoken it.

Isaiah 60:19-20

The sun shall be no more your light by day; neither for brightness shall the moon give light to you: but the LORD will be to you an everlasting light, and your God your glory.

Revelation 21:4

He will wipe away from them every tear from their eyes. Death will be no more; neither will there be mourning, nor crying, nor pain, any more. The first things have passed away."

Isaiah 49:13

Sing, heavens; and be joyful, earth; and break forth into singing, mountains: for the LORD has comforted his people, and will have compassion on his afflicted.

Isaiah 61:7

Instead of your shame you shall have double; and instead of dishonor they shall rejoice in their portion: therefore in their land they shall possess double; everlasting joy shall be to them.

Isaiah 65:19

I will rejoice in Jerusalem, and joy in my people; and there shall be heard in her no more the voice of weeping and the voice of crying.

Jeremiah 31:11-12

For the LORD has ransomed Jacob, and redeemed him from the hand of him who was stronger than he.

Jeremiah 33:11

the voice of joy and the voice of gladness, the voice of the bridegroom and the voice of the bride, the voice of those who say, "Give thanks to the LORD of hosts, for the LORD is good, for his loving kindness endures forever; who bring thanksgiving into the house of the LORD." For I will cause the captivity of the land to return as at the first,' says the LORD.

Revelation 21:1

I saw a new heaven and a new earth: for the first heaven and the first earth have passed away, and the sea is no more.

Revelation 22:3

There will be no curse any more. The throne of God and of the Lamb will be in it, and his servants serve him.

Isaiah 44:23

Sing, you heavens, for the LORD has done it. Shout, you lower parts of the earth. Break out into singing, you mountains, O forest, all of your trees, for the LORD has redeemed Jacob, and will glorify himself in Israel.

Isaiah 48:20

Go forth from Babylon, flee from the Chaldeans; with a voice of singing declare, tell this, utter it even to the end of the earth: say, the LORD has redeemed his servant Jacob.

Jeremiah 30:18-19

Thus says the LORD: "Behold, I will turn again the captivity of Jacob's tents, and have compassion on his dwelling places; and the city shall be built on its own hill, and the palace shall be inhabited in its own way.

Acts 2:41-47

Then those who received his word were baptized. There were added that day about three thousand souls.

2 Corinthians 4:17-18

For our light affliction, which is for the moment, works for us more and more exceedingly an eternal weight of glory;

2 Thessalonians 2:16

Now our Lord Jesus Christ himself, and God our Father, who loved us and gave us eternal comfort and good hope through grace,

Jude 1:24

Now to him who is able to keep you from stumbling, and to present you faultless before the presence of his glory in great joy,

Revelation 5:9-13

They sang a new song, saying, "You are worthy to take the scroll, and to open its seals: for you were killed, and redeemed us for God with your blood, out of every tribe, language, people, and nation,

Revelation 7:9-10

After these things I looked, and behold, a great multitude, which no man could number, out of every nation and of all tribes, peoples, and languages, standing before the throne and before the Lamb, dressed in white robes, with palm branches in their hands.

Revelation 14:1-4

I saw, and behold, the Lamb standing on Mount Zion, and with him one hundred forty-four thousand, having his name, and the name of his Father, written on their foreheads.

Revelation 19:1-7

After these things I heard something like a loud voice of a great multitude in heaven, saying, "Hallelujah. Salvation, glory, and power belong to our God:

Treasury of Scripture Knowledge

Summary

Therefore the redeemed of the LORD shall return, and come with singing unto Zion; and everlasting joy shall be upon their head: they shall obtain gladness and joy; and sorrow and mourning shall flee away.

Bible References

The redeemed

Isaiah 35:10
The LORD's ransomed ones will return, and come with singing to Zion; and everlasting joy will be on their heads. They will obtain gladness and joy, and sorrow and sighing will flee away."
Isaiah 44:23
Sing, you heavens, for the LORD has done it. Shout, you lower parts of the earth. Break out into singing, you mountains, O forest, all of your trees, for the LORD has redeemed Jacob, and will glorify himself in Israel.
Isaiah 48:20
Go forth from Babylon, flee from the Chaldeans; with a voice of singing declare, tell this, utter it even to the end of the earth: say, the LORD has redeemed his servant Jacob.
Isaiah 49:13
Sing, heavens; and be joyful, earth; and break forth into singing, mountains: for the LORD has comforted his people, and will have compassion on his afflicted.
Jeremiah 30:18
Thus says the LORD: "Behold, I will turn again the captivity of Jacob's tents, and have compassion on his dwelling places; and the city shall be built on its own hill, and the palace shall be inhabited in its own way.
Jeremiah 31:11
For the LORD has ransomed Jacob, and redeemed him from the hand of him who was stronger than he.
Jeremiah 33:11
the voice of joy and the voice of gladness, the voice of the bridegroom and the voice of the bride, the voice of those who say, "Give thanks to the LORD of hosts, for the LORD is good, for his loving kindness endures forever; who bring thanksgiving into the house of the LORD." For I will cause the captivity of the land to return as at the first,' says the LORD.
Acts 2:41
Then those who received his word were baptized. There were added that day about three thousand souls.
Revelation 5:9
They sang a new song, saying, "You are worthy to take the scroll, and to open its seals: for you were killed, and redeemed us for God with your blood, out of every tribe, language, people, and nation,
Revelation 7:9
After these things I looked, and behold, a great multitude, which no man could number, out of every nation and of all tribes, peoples, and languages, standing before the throne and before the Lamb, dressed in white robes, with palm branches in their hands.
Revelation 14:1
I saw, and behold, the Lamb standing on Mount Zion, and with him one hundred forty-four thousand, having his name, and the name of his Father, written on their foreheads.
Revelation 19:1
After these things I heard something like a loud voice of a great multitude in heaven, saying, "Hallelujah. Salvation, glory, and power belong to our God:

Everlasting

Isaiah 60:19
The sun shall be no more your light by day; neither for brightness shall the moon give light to you: but the LORD will be to you an everlasting light, and your God your glory.
Isaiah 61:7
Instead of your shame you shall have double; and instead of dishonor they shall rejoice in their portion: therefore in their land they shall possess double; everlasting joy shall be to them.
2 Corinthians 4:17
For our light affliction, which is for the moment, works for us more and more exceedingly an eternal weight of glory;
2 Thessalonians 2:16
Now our Lord Jesus Christ himself, and God our Father, who loved us and gave us eternal comfort and good hope through grace,
Jude 1:24
Now to him who is able to keep you from stumbling, and to present you faultless before the presence of his glory in great joy,

And sorrow

Isaiah 25:8
He has swallowed up death forever. The Lord GOD will wipe away tears from off all faces. He will take the reproach of his people away from off all the earth, for the LORD has spoken it.
Isaiah 60:20
Your sun shall no more go down, neither shall your moon withdraw itself; for the LORD will be your everlasting light, and the days of your mourning shall be ended.
Isaiah 65:19
I will rejoice in Jerusalem, and joy in my people; and there shall be heard in her no more the voice of weeping and the voice of crying.
Revelation 7:17
for the Lamb who is in the midst of the throne shepherds them, and leads them to springs of waters of life. And God will wipe away every tear from their eyes."
Revelation 21:1
I saw a new heaven and a new earth: for the first heaven and the first earth have passed away, and the sea is no more.
Revelation 22:3
There will be no curse any more. The throne of God and of the Lamb will be in it, and his servants serve him.

General references

Psalm 102:21
that men may declare the name of the LORD in Zion, and his praise in Jerusalem;
Psalm 126:3
The LORD has done great things for us, and we are glad.
Isaiah 24:14
These shall lift up their voice. They will shout for the majesty of the LORD. They cry aloud from the sea.
Isaiah 65:18
But be you glad and rejoice forever in that which I create; for, behold, I create Jerusalem a rejoicing, and her people a joy.
Matthew 5:4
Blessed are those who mourn, for they shall be comforted.