John 3:33
he that hath received his testimony, hath set his seal to this, that God is true.
John 6:27
work not for the food which perisheth, but for that which endureth unto everlasting life, and which the son of man shall give unto you, for to him it is that the father, that is God, has given his credentials.
Romans 3:3-4
for what if some betrayed their trust? shall their unfaithfulness render
Romans 4:18-21
he it was who against hope believed in hope, that he should become the father of many nations, according to what was told him, "so shall thy posterity be:"
2 Corinthians 1:18
God is my witness, I never prevaricated with you.
2 Corinthians 1:22
and mark'd me with his seal, and given me the earnest of the spirit in my heart.
Ephesians 1:13
by whom you also have heard the word of truth, the gospel of your salvation: and having believed in him, ye were mark'd with the seal of the holy spirit, which was promised:
Titus 1:1-2
Paul a servant of God, and an apostle of Jesus Christ, to declare the faith which recommends men to the divine favour, and to convince them of that truth, which leads to piety,
Hebrews 6:17
wherefore God was willing to give the heirs of promise a stronger proof of the immutability of his counsel, by the intervention of an oath:
1 John 5:9-10
if we receive the testimony of men, the testimony of God is greater: now this is the testimony, which God has given us of his son.
Revelation 7:3-8
saying, "hurt not the earth, nor the sea, nor the trees, till we have sealed the servants of our God in their foreheads."