2 Corinthians 1:22

who has also set his seal upon us, and given us the earnest of the Spirit in our hearts.

2 Corinthians 5:5

Now, he that has formed us for this very thing is God, who also has given us the earnest of the Spirit.

Ephesians 1:13-14

in whom you also hoped after you heard the word of truth, the gospel of your salvation: in whom, after you also believed, you were sealed with the Holy Spirit of promise,

Ephesians 4:30

and grieve not the Holy Spirit of God, with which you have been sealed for the day of redemption.

John 6:27

Labor not for the food that perishes, but for the food that endures to life eternal, which the Son of man will give you; for him has God the Father at tested.

Romans 4:11

And he received the sign of circumcision, as a seal of the righteousness of the faith that he had while he was uncircumcised, in order that he might be the father of all that believe, even in a state of uncircumcision, so that righteousness might be counted to them also;

Romans 8:9

But you are not in the flesh, but in the Spirit, if indeed the Spirit of God dwells in you. Now, 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, they are the sons of God.

Romans 8:23

and not only they, but ourselves also, who have the first fruits of the Spirit, even we ourselves groan within ourselves, waiting for the adoption, the redemption of our body.

2 Timothy 2:19

But the foundation of God stands firm, having this inscription: The Lord knows those who are his; and, Let every one that names the name of Christ depart from iniquity.

Revelation 2:17

He that has an ear, let him hear what the Spirit says to the churches. To him that overcomes, I will give of the hidden manna; and I will give him a white stone, and on 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, till we have sealed the servants of our God on their foreheads.

Revelation 9:4

And they were commanded not to hurt the grass of the earth, nor any green thing, nor any tree, but the men who have not the seal of God in 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 that has formed us for this very thing is God, who also has given us the earnest of the Spirit.
Romans 8:9
But you are not in the flesh, but in the Spirit, if indeed the Spirit of God dwells in you. Now, if any one has not the Spirit of Christ, he is not his.
Ephesians 1:14
which is the earnest of our inheritance, given for the redemption of his possession to the praise of his glory.