1 John 5:10

He who believes in the Son of God possesses that testimony within himself; he who will not believe God, has made God a liar by refusing to believe the testimony which God has borne to his Son.

John 3:33

Whoever does accept it, certifies to the truth of God.

Romans 8:16

it is this Spirit testifying along with our own spirit that we are children of God;

Galatians 4:6

It is because you are sons that God has sent forth the Spirit of his Son into your hearts crying 'Abba! Father!'

1 John 1:10

if we say, "We have not sinned," we make him a liar and his word is not within us.

John 5:38

his word you have not kept with you, because you do not believe him whom he sent.

John 3:16

For God loved the world so dearly that he gave up his only Son, so that everyone who believes in him may have eternal life, instead of perishing.

Colossians 3:3

for you died and your life is hidden with Christ in God.

Hebrews 3:12

Brothers, take care in case there is a wicked, unbelieving heart in any of you, moving you to apostatize from the living God.

2 Peter 1:19

and thus we have gained fresh confirmation of the prophetic word. Pray attend to that word; it shines like a lamp within a darksome spot, till the Day dawns and the daystar rises within your hearts ??20 understanding this, at the outset, that no prophetic scripture allows a man to interpret it by himself;

1 John 5:1

Everyone who believes Jesus is the Christ, is born of God; and everyone who loves the Father, loves the sons born of him.

Revelation 2:17

Let anyone who has an ear listen to what the Spirit says to the churches: 'The conqueror I will allow to share the hidden manna, and I will give him a white stone inscribed with a new name, unknown to any except him who receives it.'

Revelation 2:28

also I will grant him to see the Morning-star.'

Revelation 12:17

So, enraged at the woman, the dragon went off to wage war on the rest of her offspring, on those who keep God's commandments and hold the testimony of Jesus.

Treasury of Scripture Knowledge

Summary

He that believeth on the Son of God hath the witness in himself: he that believeth not God hath made him a liar; because he believeth not the record that God gave of his Son.

General references

Bible References

Hath the

Romans 8:16
it is this Spirit testifying along with our own spirit that we are children of God;
Galatians 4:6
It is because you are sons that God has sent forth the Spirit of his Son into your hearts crying 'Abba! Father!'
Colossians 3:3
for you died and your life is hidden with Christ in God.
2 Peter 1:19
and thus we have gained fresh confirmation of the prophetic word. Pray attend to that word; it shines like a lamp within a darksome spot, till the Day dawns and the daystar rises within your hearts ??20 understanding this, at the outset, that no prophetic scripture allows a man to interpret it by himself;
Revelation 2:17
Let anyone who has an ear listen to what the Spirit says to the churches: 'The conqueror I will allow to share the hidden manna, and I will give him a white stone inscribed with a new name, unknown to any except him who receives it.'

Hath made

1 John 1:10
if we say, "We have not sinned," we make him a liar and his word is not within us.
John 3:33
Whoever does accept it, certifies to the truth of God.
John 5:38
his word you have not kept with you, because you do not believe him whom he sent.
Hebrews 3:12
Brothers, take care in case there is a wicked, unbelieving heart in any of you, moving you to apostatize from the living God.

General references

Hebrews 3:19
Thus we see it was owing to unbelief that they could not enter.