John 3:33

The one who has accepted His testimony has affirmed that God is true.

John 6:27

Don’t work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set His seal of approval on Him.”

Romans 3:3-4

What then? If some did not believe, will their unbelief cancel God’s faithfulness?

Romans 4:18-21

He believed, hoping against hope, so that he became the father of many nations according to what had been spoken: So will your descendants be.

2 Corinthians 1:18

As God is faithful, our message to you is not “Yes and no.”

2 Corinthians 1:22

He has also sealed us and given us the Spirit as a down payment in our hearts.

Ephesians 1:13

When you heard the message of truth, the gospel of your salvation, and when you believed in Him, you were also sealed with the promised Holy Spirit.

Titus 1:1-2

Paul, a slave of God and an apostle of Jesus Christ, to build up the faith of God’s elect and their knowledge of the truth that leads to godliness,

Hebrews 6:17

Because God wanted to show His unchangeable purpose even more clearly to the heirs of the promise, He guaranteed it with an oath,

1 John 5:9-10

If we accept the testimony of men, God’s testimony is greater, because it is God’s testimony that He has given about His Son.

Revelation 7:3-8

“Don’t harm the earth or the sea or the trees until we seal the slaves of our God on their foreheads.”

Treasury of Scripture Knowledge

Summary

He that hath received his testimony hath set to his seal that God is true.

Bible References

Hath set

Romans 3:3
What then? If some did not believe, will their unbelief cancel God’s faithfulness?
Romans 4:18
He believed, hoping against hope, so that he became the father of many nations according to what had been spoken: So will your descendants be.
2 Corinthians 1:18
As God is faithful, our message to you is not “Yes and no.”
Titus 1:1
Paul, a slave of God and an apostle of Jesus Christ, to build up the faith of God’s elect and their knowledge of the truth that leads to godliness,
Hebrews 6:17
Because God wanted to show His unchangeable purpose even more clearly to the heirs of the promise, He guaranteed it with an oath,
1 John 5:9
If we accept the testimony of men, God’s testimony is greater, because it is God’s testimony that He has given about His Son.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.