Jesus said,  "When the Counselor comes, whom I will send to you from the Father, the Spirit of truth who goes out from the Father, he will testify about me."  John 15:26  Jesus also said, "But I tell you the truth: It is good that I am going away.  Unless I go away, the Counselor will not come to you; but if I go, I will send him to you....He will bring glory to me by taking from what is mine and making it known to you."  John 16:7,14

Jesus said more in detail :  John 14:15-26 and John 15:26,27 and John 16:5-15 and Luke 24:48,49 and Matthew 28:18-20 and Acts 2:1-4    God bless your reading!

The Spirit of the Lord will rest on him - the Spirit of wisdom and of understanding, the Spirit of counsel and of power, the Spirit of knowledge and of the fear of the Lord...Isaiah 11:2, and John 14:26

And He who searches our hearts knows the mind of the Spirit, because the Spirit intercedes for the saints in accordance with God's will.  Romans 8:27

but God has revealed it to us by his Spirit.  The Spirit searches all things, even the deep things of God.  For who among men knows the thoughts of a man except the man's spirit within him?  In the same way no one know the thoughts of God except the Spirit of God.  We have not received the spirit of the world but the Spirit who is from God, the we may understand what God has freely given us.  This is what we speak, not in words taught us by human wisdom but in words taught by the Spirit, expressing spiritual truths in spiritual words....To one there is given through the Spirit the message of wisdom, to another the message of knowledge by means of the same Spirit...1Corinthians 2:10-13, 12:8

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

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

I urge you, brothers, by our Lord Jesus Christ and by the love of the Spirit, to join me in my struggle by praying to God for me.  Romans 15:30

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

Eternal : "And I will ask the Father, and he will give you another Counselor to be with you forever...."  John 14:16

How much more, then, will the blood of Christ, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from acts that lead to death, so that we may serve the living God!  Hebrews 9:14

"You gave Your good Spirit to instruct them.  You did not withhold you manna from their mouths, and you gave them water for their thirst."  Nehemiah 9:20

Teach me to do your will, for you are my God; may Your good Spirit lead me on level ground.  Psalm 143:10

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

Yet they rebelled and grieved his Holy Spirit.  So He turned against them....Where is He who set his Holy Spirit among them...?  Isaiah 63:10,11

"I baptize you with water, but he will baptize you with the Holy Spirit."  said John the Baptist of Jesus.  Mark 1:8

But you have an anointing from the Holy One, and all of you know the truth.  1John 2:20

But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness, gentleness and self-control.  Galatians 5:22

Where can I go from your Spirit?  Where can I flee from your presence?  If I go up to the heavens, You are there; if I make my bed in the depths, You are there.  Psalm 139:7  also, John 14:16,17 and Ephesians 2:18-22

Who has understood the mind of the Lord, or instructed him as his counselor?  Whom did the Lord consult to enlighten him, and who taught him the right way?  Who was it that taught him knowledge or showed him the path of understanding?  Isaiah 40:13,14   (All knowing)

"But when he, the Spirit of truth, comes, he will guide you into all truth.  He will not speak on his own; he will speak only what he hears, and he will tell you what is yet to come."  John 16:13 

There is one body and one Spirit - just as you were called to one hope when you were called.... Ephesians 4:4 

So he said to me, "This is the word of the Lord to Zerubbabel: 'Not by might nor by power, but by my Spirit,' says the Lord Almighty."  Zechariah 4:6

May the God of hope fill you will all joy and peace as you trust in Him, so that you may overflow with hope by the power of the Holy Spirit....by the power of signs and miracles, through the power of the Spirit.  So Jerusalem all the way around to Illyricum, I have fully proclaimed the gospel of Christ.  Romans 15:13,19

because through Christ Jesus the law of the Spirit of life set me free from the law of sin and death.  Romans 8:2

We are from God, and whoever knows God listens to us; but whoever is not from God does not listen to us.  This is how we recognize the Spirit of truth and the spirit of falsehood....This is the one who came by water and blood - Jesus Christ. He did not come by water only, but by water and blood.  And it is the Spirit who testifies, because the Spirit is the truth.  1John 4:6, 5:6

Calls:     But we ought always to thank God for you, brothers loved by the Lord, because from the beginning God chose you to be saved through the sanctifying work of the Spirit and through belief in the truth.  He called you to this through our gospel, that you might share in the glory of our Lord Jesus Christ.  2Thessalonians 2:13,14

Commissions:    "The Spirit told me to have no hesitation about going with them.  These six brothers also went with me, and we entered the man's house."  Acts 11:12   Also, Acts 13:2,4 and Acts 20:28

Communicates:     You show that you are a letter from Christ, the result of our ministry, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts. 2Corinthians 3:3 and Ephesians 3:5

Contends:    Then the Lord said, "My Spirit will not contend with man forever, for he is mortal; his days will be a hundred and twenty years."  Genesis 6:3    

Controls:    Those who live according to the sinful nature have their minds set on what that nature desires; but those who live in accordance with the Spirit have their minds set on what the Spirit desires.   The mind of sinful man is death, but the mind  controlled by the Spirit is life and peace... Romans 8:5,6,13

Convicts:    "But I tell you the truth:  It is for your good that I am going away.  Unless I go away, the Counselor will not come to you; but if I go, I will send him to you.  When he comes, he will convict the world of guilt in regard to sin and righteousness and judgment: in regard to sin, because men do not believe me; in regard to righteousness, because I am going to the Father, where you can see me no longer; and in regard to judgment, because the prince of this world now stands condemned.  John 16:7-11

Counsels and Illumines:    "When the Counselor comes, whom I will send to you from the Father, the Spirit of truth who goes out from the Father, He will testify about me."  John 15:26,27    "But the Counselor, 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  

Creates and Gives Life:    "The Spirit of God has made me; the breath of the Almighty gives me life."  Job 33:4      "The Spirit gives life; the flesh counts for nothing.  The words I have spoken to you are spirit and they are life." John 6:63       Also Genesis 1:2,3; Psalm 104:30;  Isaiah 32:15; Isaiah 40:12-14; Isaiah 44:3,4; Ezekiel 37:14; Romans 1:4,8:2; 1Peter 3:18

Empowers:     Then the Spirit of the Lord came upon Gideon, and he blew a trumpet, summoning the Abiezrites to follow him.  Judges 6:34   I pray that out of his glorious riches he may strengthen you with power through his Spirit in your inner being...Ephesians 3:16        Also, Judges 3:10; Matthew 12:28, Acts 1:8, Romans 15:19

Encourages and Strengthens:    Then the church throughout Judea, Galilee and Samaria enjoyed a time of peace.  It was strengthened; and encouraged by the Holy Spirit, it grew in numbers, living in the fear of the Lord.  Acts 9:31    Also, Romans 8:26 and Ephesians 3:16; Philippians 2:1

Fellowships:    May the grace of the lord Jesus Christ, and the love of God, and the fellowship of the Holy Spirit be with you all.  2Corinthians 13:14    For through Him we both have access to the Father by one Spirit.  Ephesians 2:18

Fills:    "...I have filled him with the Spirit of God, with skill, ability and knowledge in all kinds of crafts..."  Exodus 31:3    Do not get drunk on wine, which leads to debauchery.  Instead be filled with the Spirit.  Ephesians 5:18      Also, Acts 2:1-4; Acts 4:31; Acts 9:17; Acts 13:9,52

Indwells:    So Pharaoh asked them, "Can we find anyone like this man, one in whom is the spirit of God?"  Genesis 41:38        Do you not know that your body is a temple of the Holy Spirit, who is in you, whom you have received from God?  You are not you own...."  1Corinthians 6:19      Also, Numbers 27:18;  Daniel 4:8;  Romans 8:9-11; 1Corinthians 3:16; 1John 3:24; John 14:16,17; 

Inspires:    All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness... 2Timothy 3:16          For prophecy never had its origin in the will of man, but men spoke from God as they were carried along by the Holy Spirit.  2Peter 1:21

Intercedes:        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 with groans that words cannot express.  And He who searches our hearts knows the mind of the Spirit, because the Spirit intercedes for the saints in accordance with God's will.  Romans 8:26,27   Also, Ephesians 6:18

Leads:    The Spirit told Philip, "Go to that chariot and stay near it."  Acts 8:29        because those who are led by the Spirit of God are sons of God.  Romans 8:14        Also, Matthew 4:1 and Acts 16:6,7

Regenerates:    In reply Jesus declared, "I tell you the truth, no one can see the kingdom of God unless he is born again....unless he is born of water and the Spirit. Flesh gives birth to flesh, but the Spirit gives birth to spirit."  John 3:3-6    Also, Titus 3:5 

Reveals:    It had been revealed to him by the Holy Spirit that he would not die before he had seen the Lord's Christ.  Luke 2:26    Also, Acts 21:11; 1Corinthians 2:9-12

Sanctifies:     And that is what some of you were.  But you were washed, you were sanctified, you were justified in the name of the Lord Jesus Christ and by the Spirit of our God.  1Corinthians 6:11    Also, Romans 15:16; 2Thessalonians 2:13; 1Peter 1:2

Seals:    set his seal of ownership on us, and put his Spirit in our hearts as a deposit, guaranteeing what is to come.  2Corinthians 1:22    Also, 2Corinthians 5:5, Ephesians 1:13; Ephesians 4:30

Speaks:    "...for it will not be you speaking, but the Spirit of your Father speaking through you."  Matthew 10:20        The Spirit and the bride say, "Come!" And let him who hears say, "Come!"  Whoever is thirsty, let him come; and whoever wishes, let him take the free gift of the water of life.  Revelation 22:17    Also, Hebrews 3:7,8; Psalm 95:7-11; Exodus 17:7

Teaches:    "...for the Holy Spirit will teach you at that time what you should say."  Luke 12:12        Also, John 14:26; 1Corinthians 2:13; Hebrews 9:8

Testifies:    The Spirit himself testifies with our spirit that we are God's children.  Romans 8:16    Also, John 15:26; Acts 5:30-32; Hebrews 10:15-17; 1John 4:2; 1John 5:6,7; Hebrews 10:15-17; Jeremiah 31:33,34

Transforms:    You show that you are a letter from Christ, the result of our ministry, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts....And we, who with unveiled faces all reflect the Lord's glory, are being transformed into His likeness with ever increasing glory, which comes from the Lord, who is the Spirit.  2Corinthians 3:3,18