Yet they rebelled and grieved his Holy Spirit.  So he turned and became their enemy and he himself fought against them.
Isaiah 63:10

Do not cast me from your presence or take your Holy Spirit from me.
Psalm 51:11  

The Spirit searches all things, even the deep things of God.
1 Corinthians 2:10

However, as it is written: “What no eye has seen, what no ear has heard, and what no human mind has conceived”— the things God has prepared for those who love him— these are the things God has revealed to us by his Spirit.
1 Corinthians 2:9-10

In the same way, the Spirit helps us in our weakness. We do not know what we ought to pray for, but the Spirit himself intercedes for us through wordless groans.
Romans 8:26

But the Advocate, the Holy Spirit, whom the Father will send in my name, will teach you all things and will remind you of everything I have said to you.
John 14:26

But when he, the Spirit of truth, comes, he will guide you into all the truth.
John 16:13

All these are the work of one and the same Spirit, and he distributes them to each one, just as he determines.
1 Corinthians 12:11

Yet they rebelled and grieved his Holy Spirit.
Isaiah 63:10a

And do not grieve the Holy Spirit of God, with whom you were sealed for the day of redemption.
Ephesians 4:30

“If you love me, keep my commands. And I will ask the Father, and he will give you another advocate to help you and be with you forever.”
John 14:15-16

The Spirit of truth. The world cannot accept him, because it neither sees him nor knows him. But you know him, for he lives with you and will be in you.
John 14:17

“Ask and it will be given to you; seek and you will find; knock and the door will be opened to you. For everyone who asks receives; the one who seeks finds; and to the one who knocks, the door will be opened.”
Matthew 7:7-8  

Here I am! I stand at the door and knock. If anyone hears my voice and opens the door, I will come in and eat with that person, and they with me.
Revelation 3:20 

I will not leave you as orphans; I will come to you.
John 14:18

“May the grace of the Lord Jesus Christ, and the love of God, and the fellowship of the Holy Spirit be with you all.”
2 Corinthians 13:14