Revelation 9:4
And it was told them, Hurt not the grass of the earth, nor any herb, nor any tree, but only those men who have not the seal of God in their foreheads.
2 Corinthians 1:22
who also hath put his seal upon us, and given us the earnest of the Spirit in our hearts.
Revelation 14:1
AND I saw, and lo, a lamb stood upon the mount Zion, and with him an hundred forty-four thousand, having the name of his Father inscribed on their foreheads.
Revelation 7:2-3
And I saw another angel ascending from the rising of the sun, having the seal of the living God; and he cried with a loud voice to the four angels to whom power was given for them to hurt the earth and the sea,
2 Timothy 2:19
Nevertheless the stable foundation of God standeth firm, having this seal, the Lord knoweth those who belong to him. And, let every man who mentions the name of the Lord depart from unrighteousness.
Revelation 20:4
And I saw thrones, and persons were seated upon them, and authority to judge was given to them: and I saw the souls of those who had been beheaded for the testimony of Jesus, and for the word of God, and who had not worshipped the beast, nor his image, and had not received the brand in their foreheads, and upon their right hand; and they lived and reigned with Christ a thousand years.
2 Corinthians 12:21
and lest when I come to you again, my God should bow me down, and I should lament over many who have sinned before, and have not repented of the impurities, and whoredom, and lasciviousness which they have committed.
Ephesians 4:30
And grieve not the holy Spirit of God, whereby ye have been sealed unto the day of redemption.
2 Peter 2:8-9
for by seeing and hearing, that righteous man whilst sojourning among them, suffered torment day by day in his righteous soul from their lawless doings;
Revelation 13:6-7
And he opened his mouth in blasphemy against God, to blaspheme his name, and his tabernacle, and those who dwell in heaven.