John 3:33
He that hath received his testimony, hath set to his seal that God is true.
John 6:27
Labor not for the food which perisheth, but for that food which endureth to everlasting life, which the Son of man will give to you: for him hath God the Father sealed.
Romans 3:3-4
For what if some did not believe? will their unbelief make the faith of God without effect?
Romans 4:18-21
Who against hope believed with hope, that he should become the father of many nations; according to that which was spoken, So shall thy seed be.
2 Corinthians 1:18
But as God is true, our word towards you was not yea and nay.
2 Corinthians 1:22
Who hath also sealed us, and given the earnest of the spirit in our hearts.
Ephesians 1:13
In whom ye also trusted, after ye heard the word of truth, the gospel of your salvation: in whom also after ye believed, ye were sealed with that holy Spirit of promise,
Titus 1:1-2
Paul, a servant of God, and an apostle of Jesus Christ, according to the faith of God's elect, and the acknowledging of the truth which is according to godliness;
Hebrews 6:17
Wherein God, willing more abundantly to show to the heirs of promise the immutability of his counsel, confirmed it by an oath:
1 John 5:9-10
If we receive the testimony of men, the testimony of God is greater: for this is the testimony of God which he hath testified of his Son.
Revelation 7:3-8
Saying, Hurt not the earth, neither the sea, nor the trees, till we have sealed the servants of our God in their foreheads.