2 Corinthians 5:5

It is God himself who has prepared me for this change, and he has given me the Spirit as his guaranty.

Romans 8:23

More than that, we ourselves, though we have in the Spirit a foretaste of the future, groan to ourselves as we wait to be declared God's sons, through the redemption of our bodies.

2 Corinthians 1:22

and put his seal upon us and given us his Spirit in our hearts, as earnest-money.

2 Corinthians 4:17

For this slight, momentary trouble is piling up for me an eternal blessedness beyond all comparison,

Ephesians 1:13-14

You also have heard the message of the truth, the good news of your salvation, and believed in him, and through union with him you have been marked with the seal of the holy Spirit that was promised,

Ephesians 2:10

For he has made us, creating us through our union with Christ Jesus for the life of goodness which God had predestined us to live.

Ephesians 4:30

You must not offend God's holy Spirit, with which you have been marked for the Day of Redemption.

1 John 3:24

All who obey his commands keep in union with him, and he does with them; and this is how we know that he keeps in union with us??y the Spirit which he has given us.

Treasury of Scripture Knowledge

Summary

Now he that hath wrought us for the selfsame thing is God, who also hath given unto us the earnest of the Spirit.

Bible References

The earnest

2 Corinthians 1:22
and put his seal upon us and given us his Spirit in our hearts, as earnest-money.
Romans 8:23
More than that, we ourselves, though we have in the Spirit a foretaste of the future, groan to ourselves as we wait to be declared God's sons, through the redemption of our bodies.
Ephesians 1:13
You also have heard the message of the truth, the good news of your salvation, and believed in him, and through union with him you have been marked with the seal of the holy Spirit that was promised,
Ephesians 4:30
You must not offend God's holy Spirit, with which you have been marked for the Day of Redemption.
1 John 3:24
All who obey his commands keep in union with him, and he does with them; and this is how we know that he keeps in union with us??y the Spirit which he has given us.