Revelation 21:6

And he said to me, It is done. I am the First and the Last, the start and the end. I will freely give of the fountain of the water of life to him who is in need.

Revelation 1:8

I am the First and the Last, says the Lord God who is and was and is to come, the Ruler of all.

Revelation 22:13

I am the First and the Last, the start and the end.

John 4:10

In answer Jesus said, If you had knowledge of what God gives freely and who it is who says to you, Give me water, you would make your prayer to him, and he would give you living water.

Revelation 7:17

For the Lamb who is on the high seat will be their keeper and their guide to fountains of living water: and God will make glad their eyes for ever.

Revelation 16:17

And the seventh let what was in his vessel come out on the air; and there came out a great voice from the house of God, from the high seat, saying, It is done.

Revelation 22:17

And the Spirit and the bride say, Come. And let him who gives ear, say, Come. And let him who is in need come; and let everyone desiring it take of the water of life freely.

Revelation 1:11

Saying, What you see, put in a book, and send it to the seven churches; to Ephesus and to Smyrna and to Pergamos and to Thyatira and to Sardis and to Philadelphia and to Laodicea.

Revelation 1:17

And when I saw him, I went down on my face at his feet as one dead. And he put his right hand on me, saying, Have no fear; I am the first and the last and the Living one;

Psalm 36:9

For with you is the fountain of life: in your light we will see light.

Isaiah 12:3

So with joy will you get water out of the springs of salvation.

Isaiah 55:1-3

Ho! everyone in need, come to the waters, and he who has no strength, let him get food: come, get bread without money; wine and milk without price.

Jeremiah 2:13

For my people have done two evils; they have given up me, the fountain of living waters, and have made for themselves water-holes, cut out from the rock, broken water-holes, of no use for storing water.

Hosea 14:4

I will put right their errors; freely will my love be given to them, for my wrath is turned away from him.

Joel 3:18

And it will come about in that day that the mountains will be dropping sweet wine, and the hills will be flowing with milk, and all the streams of Judah will be flowing with water; and a fountain will come out from the house of the Lord, watering the valley of acacia-trees.

John 4:14

But whoever takes the water I give him will never be in need of drink again; for the water I give him will become in him a fountain of eternal life.

John 7:37-38

On the last day, the great day of the feast, Jesus got up and said in a loud voice, If any man is in need of drink let him come to me and I will give it to him.

Romans 3:24

And they may have righteousness put to their credit, freely, by his grace, through the salvation which is in Christ Jesus:

Romans 8:32

He who did not keep back his only Son, but gave him up for us all, will he not with him freely give us all things?

1 Corinthians 2:12

But we have not the spirit of the world, but the Spirit which comes from God, so that we may have knowledge of the things which are freely given to us by God.

1 Corinthians 3:5

What then is Apollos? and what is Paul? They are but servants who gave you the good news as God gave it to them.

1 Corinthians 3:12

But on the base a man may put gold, silver, stones of great price, wood, dry grass, cut stems;

1 Corinthians 3:21

So let no one take pride in men. For all things are yours;

1 John 5:4-5

Anything which comes from God is able to overcome the world: and the power by which we have overcome the world is our faith.

Revelation 10:6

And took his oath by him who is living for ever and ever, who made the heaven and the things in it, and the earth and the things in it, and the sea and the things in it, that there would be no more waiting:

Treasury of Scripture Knowledge

Summary

And he said unto me, It is done. I am Alpha and Omega, the beginning and the end. I will give unto him that is athirst of the fountain of the water of life freely.

General references

Bible References

It is

Revelation 16:17
And the seventh let what was in his vessel come out on the air; and there came out a great voice from the house of God, from the high seat, saying, It is done.

I am

Revelation 1:8
I am the First and the Last, says the Lord God who is and was and is to come, the Ruler of all.
Revelation 22:13
I am the First and the Last, the start and the end.

I will

Revelation 7:17
For the Lamb who is on the high seat will be their keeper and their guide to fountains of living water: and God will make glad their eyes for ever.
Revelation 22:17
And the Spirit and the bride say, Come. And let him who gives ear, say, Come. And let him who is in need come; and let everyone desiring it take of the water of life freely.
Isaiah 12:3
So with joy will you get water out of the springs of salvation.
Isaiah 55:1
Ho! everyone in need, come to the waters, and he who has no strength, let him get food: come, get bread without money; wine and milk without price.
John 4:10
In answer Jesus said, If you had knowledge of what God gives freely and who it is who says to you, Give me water, you would make your prayer to him, and he would give you living water.
John 7:37
On the last day, the great day of the feast, Jesus got up and said in a loud voice, If any man is in need of drink let him come to me and I will give it to him.

The fountain

Psalm 36:9
For with you is the fountain of life: in your light we will see light.
Jeremiah 2:13
For my people have done two evils; they have given up me, the fountain of living waters, and have made for themselves water-holes, cut out from the rock, broken water-holes, of no use for storing water.
Joel 3:18
And it will come about in that day that the mountains will be dropping sweet wine, and the hills will be flowing with milk, and all the streams of Judah will be flowing with water; and a fountain will come out from the house of the Lord, watering the valley of acacia-trees.

Freely

Hosea 14:4
I will put right their errors; freely will my love be given to them, for my wrath is turned away from him.
Romans 3:24
And they may have righteousness put to their credit, freely, by his grace, through the salvation which is in Christ Jesus:
Romans 8:32
He who did not keep back his only Son, but gave him up for us all, will he not with him freely give us all things?
1 Corinthians 2:12
But we have not the spirit of the world, but the Spirit which comes from God, so that we may have knowledge of the things which are freely given to us by God.
1 Corinthians 3:5
What then is Apollos? and what is Paul? They are but servants who gave you the good news as God gave it to them.
1 John 5:4
Anything which comes from God is able to overcome the world: and the power by which we have overcome the world is our faith.

General references

Revelation 22:13
I am the First and the Last, the start and the end.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain