1 John 1:3

I repeat, it is what we have seen and heard that we now announce to you, so that you too may share this fellowship with us, for this fellowship that we have is with the Father and with His Son Jesus Christ;

1 Corinthians 1:9

God is entirely trustworthy, and it is He through whom you have been called into this fellowship with His Son, Jesus Christ our Lord.

1 John 1:1

It is what existed from the beginning, what we have heard, what we have seen with our own eyes, what we have beheld, what our own hands have touched, about the very message of life --

Philippians 2:1

So, if there is any appeal in our union with Christ, if there is any persuasive power in love, if we have any common share in the Spirit, if you have any tenderheartedness and sympathy,

John 17:3

Now eternal life means knowing you as the only true God and knowing Jesus your messenger as Christ.

John 17:21

for them all to be one, just as you, Father, are in union with me and I in union with you, for them to be in union with us, so that the world may be convinced that you have sent me.

Acts 4:20

for we cannot keep from telling what we have seen and heard."

2 Corinthians 13:14

The spiritual blessing of the Lord Jesus Christ, the love of God, and the common sharing of the Holy Spirit be with you all.

Philippians 3:10

Yes, I long to come to know Him; that is, the power of His resurrection and so to share with Him his sufferings as to be continuously transformed by His death,

1 John 1:7

But if we continue to live in the light, just as He is in the light, we have unbroken fellowship with one another, and the blood of Jesus His Son continues to cleanse us from every sin.

John 14:20-23

At that time you will know that I am in union with my Father and you are in union with me and I am in union with you.

John 17:11

And now I am no longer to be in the world, but they are to stay on in the world, while I am going to be with you. Holy Father, keep them by the power which you have given me, so that they may be one just as we are.

John 17:25

Righteous Father, although the world did not know you, I did know you, and these men have come to know that you sent me,

Acts 2:42

And they devoted themselves to the teaching of the apostles and to fellowship with one another, to the breaking of bread and to prayer.

Acts 13:32

So now we are bringing you the good news about the promise that was made to our forefathers,

Acts 13:41

'Look, you scoffers! Then wonder and vanish away, for I am doing a work in your times which you will not at all believe though one may tell you in detail.'"

Acts 20:27

for I never shrank from telling you God's whole plan.

Romans 15:27

They certainly were delighted to do it, and they really are under obligation to them, for if the heathen peoples have shared in their spiritual blessings, they ought to serve them in material blessings.

1 Corinthians 1:30

So you owe it all to Him through union with Christ Jesus, whom God has made our wisdom, our means of right standing, our consecration, and our redemption,

1 Corinthians 15:1

Now let me remind you, brothers, of the essence of the good news which I proclaimed to you, which you accepted, on which you now are standing,

Ephesians 3:6

that the heathen through union with Christ Jesus are fellow-heirs with the Jews, are members with them of the same body, and sharers with them of the promise through the good news,

Philippians 1:7

And I have a right to think this way about you, because I always have you in my heart, whether shut up in prison or out defending and vindicating the good news, for you are sharers with me of God's favor.

Colossians 1:13

It is God who has delivered us out of the dominion of darkness and has transferred us into the kingdom of His dearly loved Son,

1 Thessalonians 1:10

and to wait for the coming from heaven of His Son, whom He raised from the dead, Jesus who delivers us from the wrath to come.

1 Timothy 6:2

Those who have Christian masters must not pay them less respect because they are brothers; they must serve them all the better, because those who get the benefit of their service are believers and so are dear to them. These are the things that you must continue to teach and urge them to do.

Hebrews 2:12

when He says: "I will announce your name to my brothers; in the midst of the congregation I will sing your praise";

Hebrews 3:1

Therefore, my Christian brothers, fix your thoughts on Jesus, the Messenger and High Priest whom we profess to follow,

Hebrews 3:14

For we have become real sharers in Christ, if we keep firm to the end the faith we had at first,

1 Peter 5:1

So, as a joint-elder with them, a witness of the suffering borne by Christ, and a sharer of the glory that is to be uncovered, I beg the elders among you,

1 John 1:5

And this is the message that we have heard from Him and now announce to you: God is light, and there is no darkness at all in Him.

1 John 2:23-24

No one who disowns the Son can have the Father. Whoever owns the Son has the Father too.

1 John 5:10-11

Whoever believes in the Son of God has this testimony in his own heart. Whoever does not believe God has made Him a liar, because he has not believed the testimony that God has borne to His Son.

Treasury of Scripture Knowledge

Summary

That which we have seen and heard declare we unto you, that ye also may have fellowship with us: and truly our fellowship is with the Father, and with his Son Jesus Christ.

Bible References

Declare

1 John 1:5
And this is the message that we have heard from Him and now announce to you: God is light, and there is no darkness at all in Him.
John 17:25
Righteous Father, although the world did not know you, I did know you, and these men have come to know that you sent me,
Acts 13:32
So now we are bringing you the good news about the promise that was made to our forefathers,
Acts 20:27
for I never shrank from telling you God's whole plan.
1 Corinthians 15:1
Now let me remind you, brothers, of the essence of the good news which I proclaimed to you, which you accepted, on which you now are standing,
Hebrews 2:12
when He says: "I will announce your name to my brothers; in the midst of the congregation I will sing your praise";

Our fellowship

1 John 1:7
But if we continue to live in the light, just as He is in the light, we have unbroken fellowship with one another, and the blood of Jesus His Son continues to cleanse us from every sin.
1 John 2:23
No one who disowns the Son can have the Father. Whoever owns the Son has the Father too.
John 14:20
At that time you will know that I am in union with my Father and you are in union with me and I am in union with you.
John 17:3
Now eternal life means knowing you as the only true God and knowing Jesus your messenger as Christ.
1 Corinthians 1:9
God is entirely trustworthy, and it is He through whom you have been called into this fellowship with His Son, Jesus Christ our Lord.
2 Corinthians 13:14
The spiritual blessing of the Lord Jesus Christ, the love of God, and the common sharing of the Holy Spirit be with you all.
Philippians 2:1
So, if there is any appeal in our union with Christ, if there is any persuasive power in love, if we have any common share in the Spirit, if you have any tenderheartedness and sympathy,
Philippians 3:10
Yes, I long to come to know Him; that is, the power of His resurrection and so to share with Him his sufferings as to be continuously transformed by His death,
Hebrews 3:14
For we have become real sharers in Christ, if we keep firm to the end the faith we had at first,

With his

1 John 5:10
Whoever believes in the Son of God has this testimony in his own heart. Whoever does not believe God has made Him a liar, because he has not believed the testimony that God has borne to His Son.
Colossians 1:13
It is God who has delivered us out of the dominion of darkness and has transferred us into the kingdom of His dearly loved Son,
1 Thessalonians 1:10
and to wait for the coming from heaven of His Son, whom He raised from the dead, Jesus who delivers us from the wrath to come.

General references

Mark 4:22
For nothing is ever hidden by people except for the purpose of having it known, and people do not keep secrets except to tell them.
Luke 24:48
you are to continue as witnesses to these things.
John 20:30
Now there are many other wonder-works which Jesus performed in the disciples' presence which are not recorded in this book.
Philippians 1:5
for your cooperation in spreading the good news, from the first day you heard it until now.