Romans 8:16
The Spirit himself bears witness to our spirit that we are God's children.
2 Corinthians 1:22
who also sealed us and gave us the Spirit in our hearts as a down payment.
2 Corinthians 5:5
Now the one who prepared us for this very purpose is God, who gave us the Spirit as a down payment.
Ephesians 1:13
And when you heard the word of truth (the gospel of your salvation) -- when you believed in Christ -- you were marked with the seal of the promised Holy Spirit,
2 Corinthians 1:12
For our reason for confidence is this: the testimony of our conscience, that with pure motives and sincerity which are from God -- not by human wisdom but by the grace of God -- we conducted ourselves in the world, and all the more toward you.
Ephesians 4:30
And do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption.
1 John 3:19-22
And by this we will know that we are of the truth and will convince our conscience in his presence,
1 John 4:13
By this we know that we reside in God and he in us: in that he has given us of his Spirit.
1 John 5:10
(The one who believes in the Son of God has the testimony in himself; the one who does not believe God has made him a liar, because he has not believed in the testimony that God has testified concerning his Son.)
Romans 8:23
Not only this, but we ourselves also, who have the firstfruits of the Spirit, groan inwardly as we eagerly await our adoption, the redemption of our bodies.
Romans 8:26
In the same way, the Spirit helps us in our weakness, for we do not know how we should pray, but the Spirit himself intercedes for us with inexpressible groanings.