2 Corinthians 1:22

and given us the earnest of the Spirit in our hearts.

2 Corinthians 5:5

Now He, that hath wrought us hereunto, is God; who hath also given us the earnest of the Spirit.

Ephesians 1:13-14

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.

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.

Romans 4:11

And he received the sign of circumcision as a seal of the righteousness of the faith which he had in uncircumcision: that he might be the father of all that believe though not circumcised, that righteousness may be imputed to them also:

Romans 8:9

But ye are not in the flesh, but in the spirit, if the Spirit of God dwelleth in you: but if any one hath not the Spirit of Christ, he is none of his.

Romans 8:14-16

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

Romans 8:23

And not only others, but those also who have the first-fruits of the Spirit, even we ourselves groan within ourselves, waiting for the adoption, to wit the redemption of our body.

2 Timothy 2:19

However, the foundation of God standeth firm, having this inscription, The Lord knoweth them that are his; and, Let every one that nameth the name of Christ depart from iniquity.

Revelation 2:17

Let him, that hath an ear, hear what the Spirit saith unto the churches. To him that overcometh will I give to eat of the hidden manna: and I will give him a white stone, and on the stone a new name written, which no one knoweth, but He that receiveth 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 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.

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 hath wrought us hereunto, is God; who hath also given us the earnest of the Spirit.
Romans 8:9
But ye are not in the flesh, but in the spirit, if the Spirit of God dwelleth in you: but if any one hath not the Spirit of Christ, he is none of his.
Ephesians 1:14
who is the pledge of our inheritance, till the redemption of his purchased possession, to the praise of his glory.