John 3:33
He that receives his testimony has sealed that God is true.
John 6:27
Work not for the food which perishes, but for the food which endures to eternal life, which the Son of man will give you; for him has God the Father sealed.
2 Corinthians 1:22
who has also sealed us and given us the pledge of the Spirit in our hearts.
Ephesians 1:13
in whom also you, when you heard the word of truth, the gospel of your salvation, in whom also you having believed were sealed with the Holy Spirit of promise,
Ephesians 4:30
And grieve not the Holy Spirit of God, by which you were sealed to the day of redemption.
Revelation 7:2
And I saw another angel ascend 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 injure the earth and the sea,
Revelation 9:4
And it was told them not to injure the grass of the earth nor any green thing nor any tree, but the men who had not the seal of God on their foreheads.