2 Corinthians 1:22

Who also sealed us, and gave us the earnest of the Spirit in our hearts.

2 Corinthians 5:5

Now He Who wrought us for this very thing is God, Who gave to us the earnest of the Spirit.

Ephesians 1:13-14

in Whom ye also??fter having heard the word of the truth, the Gospel of your salvation, in Whom having also believed??ere sealed with the Holy Spirit of promise,

Ephesians 4:30

And grieve not the Holy Spirit of God, in Whom ye were sealed unto the day of redemption.

John 6:27

Work not for the food that perishes, but for the food that abides unto eternal life, which the Son of Man will give to you; for Him God the Father sealed."

Romans 4:11

And he received the sign of circumcision, a seal of the righteousness of the faith which he had while in uncircumcision; that he might be father of all who believe while in uncircumcision, that the righteousness might be reckoned to them;

Romans 8:9

But ye are not in the flesh, but in the Spirit, if, indeed, the Spirit of God is dwelling in you. And, if any one has not the spirit of Christ, he is not His.

Romans 8:14-16

For as many as are led by the Spirit of God, these are sons of God.

Romans 8:23

and, not only so, but ourselves also, who have the first fruit of the Spirit, even we ourselves are groaning within ourselves, waiting for the adoption, the redemption of our body.

2 Timothy 2:19

Nevertheless, the firm foundation of God has been standing, having this seal, "The Lord knew those who are His:" and "Let every one who names the name of the Lord depart from unrighteousness."

Revelation 2:17

He that has an ear, let him hear what the Spirit saith to the assemblies. To him that overcomes, to him will I give of the Hidden Manna; and I will give him a white stone, and upon the stone a new name written, which no one knows, but he that receives it.

Revelation 7:3

saying, "Hurt not the earth, nor the sea, nor the trees, until we shall seal the servants of our God on their foreheads."

Revelation 9:4

And it was said to them, that they should not injure the grass of the earth, nor any green thing, nor any tree, but only such men as have not the seal of God upon their foreheads.

Treasury of Scripture Knowledge

Summary

Who hath also sealed us, and given the earnest of the Spirit in our hearts.

Bible References

The earnest

2 Corinthians 5:5
Now He Who wrought us for this very thing is God, Who gave to us the earnest of the Spirit.
Romans 8:9
But ye are not in the flesh, but in the Spirit, if, indeed, the Spirit of God is dwelling in you. And, if any one has not the spirit of Christ, he is not His.
Ephesians 1:14
which is an earnest of our inheritance until the redemption of the purchased possession, to the praise of His glory.