John 3:33
Whoever receives his testimony sets his seal to this, that God is true.
John 6:27
Do not labor for the food that perishes, but for the food that endures to eternal life, which the Son of Man will give to you. For on him God the Father has set his seal."
Romans 3:3-4
What if some were unfaithful? Does their faithlessness nullify the faithfulness of God?
Romans 4:18-21
In hope he believed against hope, that he should become the father of many nations, as he had been told, "So shall your offspring be."
2 Corinthians 1:18
As surely as God is faithful, our word to you has not been Yes and No.
2 Corinthians 1:22
and who has also put his seal on us and given us his Spirit in our hearts as a guarantee.
Ephesians 1:13
In him you also, when you heard the word of truth, the gospel of your salvation, and believed in him, were sealed with the promised Holy Spirit,
Titus 1:1-2
Paul, a servant of God and an apostle of Jesus Christ, for the sake of the faith of God's elect and their knowledge of the truth, which accords with godliness,
Hebrews 6:17
So when God desired to show more convincingly to the heirs of the promise the unchangeable character of his purpose, he guaranteed it with 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 that he has borne concerning his Son.
Revelation 7:3-8
saying, "Do not harm the earth or the sea or the trees, until we have sealed the servants of our God on their foreheads."