John 3:33
He that hath received his testimony, hath set his seal to this, that God is true:
John 6:27
Labour not so much for the meat that perisheth, but rather for that food which endureth unto life eternal, which the Son of man will give you: for Him hath God the Father sealed.
2 Corinthians 1:22
and given us the earnest of the Spirit in our hearts.
Ephesians 1:13
In whom ye also trusted, when ye heard the word of truth, the gospel of your salvation: in whom also when ye believed, ye were sealed with the holy Spirit of promise,
Ephesians 4:30
And grieve not the holy Spirit of God whereby ye are sealed to the day of redemption.
Revelation 7:2
And I saw another angel which ascended from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea,
Revelation 9:4
And order was given them, not to hurt the grass of the earth, nor any green thing, nor any tree; but only the men, who had not the seal of God on their foreheads.