John 3:33
Whoever does accept it, certifies to the truth of God.
John 6:27
Work for no perishing food, but for that lasting food which means eternal life; the Son of man will give you that, for the Father, God, has certified him."
2 Corinthians 1:22
who stamped me with his seal and gave me the Spirit as a pledge in my heart.
Ephesians 1:13
You also have heard the message of the truth, the gospel of your salvation, and in him you also by your faith have been stamped with the seal of the long-promised holy Spirit
Ephesians 4:30
And do not vex God's holy Spirit, by whom you have been sealed for the day of redemption.
Revelation 7:2
And I saw another angel rise up from the east, with the seal of the living God; he shouted aloud to the four angels who were allowed to injure the earth and sea,
Revelation 9:4
but they were told not to harm the grass on earth nor any green thing nor any tree, only such human beings as had not the seal of God upon their foreheads;