1 John 5:10

He that believes on the Son of God has the witness in himself; he that believes not God has made Him a liar; because he has not believed in the testimony that God testified concerning His Son.

John 3:33

He that received His testimony did set his seal to it, that God is true.

Romans 8:16

The Spirit Himself testifieth with our spirit, that we are children of God;

Galatians 4:6

And, because ye are sons, God sent forth the Spirit of His Son into our 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 in us.

John 5:38

And ye have not His word abiding in you; because Whom He sent, Him ye believe not.

John 3:16

For God so loved the world, that He gave His only begotten Son, that every one who believes on Him should not perish, but have eternal life;

Colossians 3:3

for ye died, and your life has been hid with Christ in God.

Hebrews 3:12

Take heed, brethren, lest at any time there shall be in anyone of you an evil heart of unbelief, in falling away from the living God;

2 Peter 1:19

And we have the more sure prophetic word, to which ye do well to take heed, as to a lamp shining in a dark place, until the day dawn, and the Morning Star arise in your hearts;

1 John 5:1

Every one who believes that Jesus is the Christ has been begotten of God; and every one who loves Him Who begat loves him also that has been begotten of Him.

Revelation 2:17

He that has an ear, let him hear what the Spirit saith to the assemblies. To him that overcomes, to him will I give of the Hidden Manna; and I will give him a white stone, and upon 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 seed, who keep the commandments of God, and have 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 Himself testifieth with our spirit, that we are children of God;
Galatians 4:6
And, because ye are sons, God sent forth the Spirit of His Son into our hearts, crying, "Abba," Father.
Colossians 3:3
for ye died, and your life has been hid with Christ in God.
2 Peter 1:19
And we have the more sure prophetic word, to which ye do well to take heed, as to a lamp shining in a dark place, until 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 saith to the assemblies. To him that overcomes, to him will I give of the Hidden Manna; and I will give him a white stone, and upon the stone a new name written, which no one knows, but he that 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 in us.
John 3:33
He that received His testimony did set his seal to it, that God is true.
John 5:38
And ye have not His word abiding in you; because Whom He sent, Him ye believe not.
Hebrews 3:12
Take heed, brethren, lest at any time there shall be in anyone of you an evil heart of unbelief, in falling away from the living God;

General references

Hebrews 3:19
And we see that they were not able to enter in because of unbelief.