John 4:14

but whosoever shall drink of the water which I shall give him, he shall no more thirst to eternity; but the water which I will give him, shall be in him a fountain of water springing up to life eternal.

John 6:35

Then said Jesus to them, I am the bread of life: he that cometh to me shall never hunger; and he that believeth on me shall never thirst more.

John 6:58

This is the bread which came down from heaven, not as the manna your fathers did eat, and died: he that eateth this bread shall live to eternity.

John 11:26

and every one who is alive, and believeth in me, shall never die to eternity. Believest thou this?

Ephesians 1:13-14

In whom ye also [trusted] after ye had heard the word of truth, the gospel of your salvation; in whom also, having believed, ye have been sealed with the holy Spirit of promise,

Revelation 7:16

They shall hunger no more, neither thirst any more; neither shall the sun scorch them, nor any burning heat.

Matthew 25:46

And these shall go away into everlasting punishment: but the righteous into life eternal.

John 7:38-39

He that believeth on me, as the scripture hath said, from his belly shall rivers flow of living water.

John 10:10

The thief cometh not but to steal, and to kill, and to destroy: I am come that they may have life, and that they may have it more abundantly.

John 14:16-19

And I will ask the Father, and he shall give you another Comforter, that he may abide with you for ever;

John 17:2-3

even as thou hast given him authority over all flesh, that with regard to all those whom thou hast given him, he should give to them eternal life:

Romans 5:21

that as sin had reigned by death, even so might grace reign through righteousness unto life eternal by Jesus Christ our Lord.

Romans 6:23

For the wages of sin is death; but the gift of God is life eternal in Jesus Christ our Lord.

Romans 8:16-17

The same spirit beareth witness with our spirit, that we are the children of God.

2 Corinthians 1:22

who also hath put his seal upon us, and given us the earnest of the Spirit in our hearts.

Ephesians 4:30

And grieve not the holy Spirit of God, whereby ye have been sealed unto the day of redemption.

1 Peter 1:22

Having purified your souls by obedience to the truth through the Spirit unto fraternal affection undissembled, love each other intensely out of a pure heart:

1 John 5:20

But we know that the Son of God hath come, and hath given to us understanding, that we might know the true God; and we are in him that is true, in his Son Jesus the Messiah. HE is the true God, and the life eternal.

Treasury of Scripture Knowledge

Summary

But whosoever drinketh of the water that I shall give him shall never thirst; but the water that I shall give him shall be in him a well of water springing up into everlasting life.

Bible References

Shall never

John 6:35
Then said Jesus to them, I am the bread of life: he that cometh to me shall never hunger; and he that believeth on me shall never thirst more.
John 11:26
and every one who is alive, and believeth in me, shall never die to eternity. Believest thou this?
John 17:2
even as thou hast given him authority over all flesh, that with regard to all those whom thou hast given him, he should give to them eternal life:
Romans 6:23
For the wages of sin is death; but the gift of God is life eternal in Jesus Christ our Lord.
Revelation 7:16
They shall hunger no more, neither thirst any more; neither shall the sun scorch them, nor any burning heat.

Shall be

John 7:38
He that believeth on me, as the scripture hath said, from his belly shall rivers flow of living water.
John 10:10
The thief cometh not but to steal, and to kill, and to destroy: I am come that they may have life, and that they may have it more abundantly.
John 14:16
And I will ask the Father, and he shall give you another Comforter, that he may abide with you for ever;
Romans 5:21
that as sin had reigned by death, even so might grace reign through righteousness unto life eternal by Jesus Christ our Lord.
Romans 8:16
The same spirit beareth witness with our spirit, that we are the children of God.
2 Corinthians 1:22
who also hath put his seal upon us, and given us the earnest of the Spirit in our hearts.
Ephesians 1:13
In whom ye also [trusted] after ye had heard the word of truth, the gospel of your salvation; in whom also, having believed, ye have been sealed with the holy Spirit of promise,
Ephesians 4:30
And grieve not the holy Spirit of God, whereby ye have been sealed unto the day of redemption.
1 Peter 1:22
Having purified your souls by obedience to the truth through the Spirit unto fraternal affection undissembled, love each other intensely out of a pure heart:
1 John 5:20
But we know that the Son of God hath come, and hath given to us understanding, that we might know the true God; and we are in him that is true, in his Son Jesus the Messiah. HE is the true God, and the life eternal.