1 John 5:10

He that believes on the Son of God has the testimony in him self: he that believes not God, has made him a liar, because he has not believed the testimony which God has borne concerning his Son.

John 3:33

He that has received his testimony has solemnly declared that God is true.

Romans 8:16

The Spirit itself testifies with our spirit, that we are the children of God;

Galatians 4:6

And because you are sons, God has sent forth the Spirit of his Son into your hearts, crying, Abba, Father.

1 John 1:10

If we say that we have not sinned, we make him a liar, and his word is not in us.

John 5:38

And his word you have not remaining in you; for whom he has sent, him you believe not.

John 3:16

For God so loved the world, that he gave his only begotten Son, that whoever believes on him should not perish, but have eternal life.

Colossians 3:3

for you are dead, and your life is hid with the Christ in God.

Hebrews 3:12

Take heed, brethren, lest there be in any of you an evil heart of unbelief in apostatizing from the living God.

2 Peter 1:19

and we have the prophetic word better established. You do well to attend to this, as to a lamp that shines in a dark place, till the day dawn, and the morning star arise in your hearts;

1 John 5:1

Whoever believes that Jesus is the Christ, has been be gotten of God: and every one that loves him that begot, loves him also that is begotten of him.

Revelation 2:17

He that has an ear, let him hear what the Spirit says to the churches. To him that overcomes, I will give of the hidden manna; and I will give him a white stone, and on the stone a new name written, which no one knows but he that receives it.

Revelation 2:28

and I will give him the morning star.

Revelation 12:17

And the dragon was angry with the woman, and went away to make war with the rest of her children, that keep the commandments of God, and that 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
The Spirit itself testifies with our spirit, that we are the children of God;
Galatians 4:6
And because you are sons, God has sent forth the Spirit of his Son into your hearts, crying, Abba, Father.
Colossians 3:3
for you are dead, and your life is hid with the Christ in God.
2 Peter 1:19
and we have the prophetic word better established. You do well to attend to this, as to a lamp that shines in a dark place, till the day dawn, and the morning star arise in your hearts;
Revelation 2:17
He that has an ear, let him hear what the Spirit says to the churches. To him that overcomes, I will give of the hidden manna; and I will give him a white stone, and on the stone a new name written, which no one knows but he that receives it.

Hath made

1 John 1:10
If we say that we have not sinned, we make him a liar, and his word is not in us.
John 3:33
He that has received his testimony has solemnly declared that God is true.
John 5:38
And his word you have not remaining in you; for whom he has sent, him you believe not.
Hebrews 3:12
Take heed, brethren, lest there be in any of you an evil heart of unbelief in apostatizing from the living God.

General references

Hebrews 3:19
And so we see that they could not enter in because of unbelief.