Revelation 21:6

And he said unto me, They are come to pass. I am the Alpha and the Omega, the beginning and the end. I will give unto him that is athirst of the fountain of the water of life freely.

Revelation 1:8

I am the Alpha and the Omega, saith the Lord God, who is and who was and who is to come, the Almighty.

Revelation 22:13

I am the Alpha and the Omega, the first and the last, the beginning and the end.

John 4:10

Jesus answered and said unto unto her, If thou knewest the gift of God, and who it is that saith to thee, Give me to drink; thou wouldest have asked of him, and he would have given thee living water.

Revelation 7:17

for the Lamb that is in the midst of the throne shall be their shepherd, and shall guide them unto fountains of waters of life: and God shall wipe away every tear from their eyes.

Revelation 16:17

And the seventh poured out his bowl upon the air; and there came forth a great voice out of the temple, from the throne, saying, It is done:

Revelation 22:17

And the Spirit and the bride say, Come. And he that heareth, let him say, Come. And he that is athirst, let him come: he that will, let him take the water of life freely.

Revelation 1:11

saying, What thou seest, write in a book and send it to the seven churches: unto Ephesus, and unto Smyrna, and unto Pergamum, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.

Revelation 1:17

And when I saw him, I fell at his feet as one dead. And he laid his right hand upon me, saying, Fear not; I am the first and the last,

Psalm 36:9

For with thee is the fountain of life: In thy light shall we see light.

Isaiah 12:3

Therefore with joy shall ye draw water out of the wells of salvation.

Isaiah 55:1-3

Ho, every one that thirsteth, come ye to the waters, and he that hath no money; come ye, buy, and eat; yea, come, buy wine and milk without money and without price.

Jeremiah 2:13

For my people have committed two evils: they have forsaken me, the fountain of living waters, and hewed them out cisterns, broken cisterns, that can hold no water.

Hosea 14:4

I will heal their backsliding, I will love them freely; for mine anger is turned away from him.

Joel 3:18

And it shall come to pass in that day, that the mountains shall drop down sweet wine, and the hills shall flow with milk, and all the brooks of Judah shall flow with waters; and a fountain shall come forth from the house of Jehovah, and shall water the valley of Shittim.

John 4:14

but whosoever drinketh of the water that I shall give him shall never thirst; but the water that I shall give him shall become in him a well of water springing up unto eternal life.

John 7:37-38

Now on the last day, the great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me and drink.

Romans 3:24

being justified freely by his grace through the redemption that is in Christ Jesus:

Romans 8:32

He that spared not his own Son, but delivered him up for us all, how shall he not also with him freely give us all things?

1 Corinthians 2:12

But we received, not the spirit of the world, but the spirit which is from God; that we might know the things that were freely given to us of God.

1 Corinthians 3:5

What then is Apollos? and what is Paul? Ministers through whom ye believed; and each as the Lord gave to him.

1 Corinthians 3:12

But if any man buildeth on the foundation gold, silver, costly stones, wood, hay, stubble;

1 Corinthians 3:21

Wherefore let no one glory in men. For all things are yours;

1 John 5:4-5

For whatsoever is begotten of God overcometh the world: and this is the victory that hath overcome the world, even our faith.

Revelation 10:6

and sware by him that liveth for ever and ever, who created the heaven and the things that are therein, and the earth and the things that are therein, and the sea and the things that are therein, that there shall be delay no longer:

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 poured out his bowl upon the air; and there came forth a great voice out of the temple, from the throne, saying, It is done:

I am

Revelation 1:8
I am the Alpha and the Omega, saith the Lord God, who is and who was and who is to come, the Almighty.
Revelation 22:13
I am the Alpha and the Omega, the first and the last, the beginning and the end.

I will

Revelation 7:17
for the Lamb that is in the midst of the throne shall be their shepherd, and shall guide them unto fountains of waters of life: and God shall wipe away every tear from their eyes.
Revelation 22:17
And the Spirit and the bride say, Come. And he that heareth, let him say, Come. And he that is athirst, let him come: he that will, let him take the water of life freely.
Isaiah 12:3
Therefore with joy shall ye draw water out of the wells of salvation.
Isaiah 55:1
Ho, every one that thirsteth, come ye to the waters, and he that hath no money; come ye, buy, and eat; yea, come, buy wine and milk without money and without price.
John 4:10
Jesus answered and said unto unto her, If thou knewest the gift of God, and who it is that saith to thee, Give me to drink; thou wouldest have asked of him, and he would have given thee living water.
John 7:37
Now on the last day, the great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me and drink.

The fountain

Psalm 36:9
For with thee is the fountain of life: In thy light shall we see light.
Jeremiah 2:13
For my people have committed two evils: they have forsaken me, the fountain of living waters, and hewed them out cisterns, broken cisterns, that can hold no water.
Joel 3:18
And it shall come to pass in that day, that the mountains shall drop down sweet wine, and the hills shall flow with milk, and all the brooks of Judah shall flow with waters; and a fountain shall come forth from the house of Jehovah, and shall water the valley of Shittim.

Freely

Hosea 14:4
I will heal their backsliding, I will love them freely; for mine anger is turned away from him.
Romans 3:24
being justified freely by his grace through the redemption that is in Christ Jesus:
Romans 8:32
He that spared not his own Son, but delivered him up for us all, how shall he not also with him freely give us all things?
1 Corinthians 2:12
But we received, not the spirit of the world, but the spirit which is from God; that we might know the things that were freely given to us of God.
1 Corinthians 3:5
What then is Apollos? and what is Paul? Ministers through whom ye believed; and each as the Lord gave to him.
1 John 5:4
For whatsoever is begotten of God overcometh the world: and this is the victory that hath overcome the world, even our faith.

General references

Revelation 22:13
I am the Alpha and the Omega, the first and the last, the beginning and the end.

American Standard Version Public Domain