1 John 1:3

That which we have seen and heard declare we unto you, that ye may have fellowship with us, and that our fellowship may be with the father, and his son Jesus Christ.

1 Corinthians 1:9

For God is faithful, by whom ye are called unto the fellowship of his son Jesus Christ our Lord.

1 John 1:1

That which was from the beginning, declare we unto you; which we have heard, which we have seen with our eyes, which we have looked upon, and our hands have handled, of the word of life.

Philippians 2:1

If there be among you any consolation in Christ, if there be any comfortable love, if there be any fellowship of the spirit, if there be any compassion of mercy:

John 17:3

This is life eternal: that they might know thee, that only very God, and whom thou hast sent, Jesus Christ.

John 17:21

that they all may be one, as thou father art in me, and I in thee; that they may be also one in us, that the world may believe that thou hast sent me.

Acts 4:20

For we cannot but speak that which we have seen and heard."

2 Corinthians 13:14

The grace of our Lord Jesus Christ, and the love of God, and the fellowship of the holy ghost, be with you all. Amen. {The end of the Second Epistle unto the Corinthians, Sent from Philippi, a city in Macedonia, by Titus and Luke}

Philippians 3:10

in knowing him, and the virtue of his resurrection, and the fellowship of his passions, that I might be conformable unto his death,

1 John 1:7

but and if we walk in light even as he is in light, then have we fellowship together, and the blood of Jesus Christ his son cleanseth us from all sin.

Psalm 2:7

As for me, I will preach the law, whereof the LORD hath said unto me, "Thou art my son, this day have I begotten thee.

Psalm 22:22

I will declare thy name unto my brethren; in the midst of the congregation will I praise thee.

Isaiah 66:19

Unto them shall I give a token, and send certain of them that be delivered among the Gentiles: into Tarshish, Put and Lud, where men can handle bows; into Tubal also and Javan. The isles far off, that have not heard speak of me, and have not seen my glory, shall preach my praise among the Gentiles

John 14:20-23

That day shall ye know that I am in my father, and you in me, and I in you.

John 17:11

And now am I no more in the world, but they are in the world, and I come to thee. Holy father, keep in thine own name them which thou hast given me, that they may be one as we are.

John 17:25

O righteous father, the very world hath not known thee: but I have known thee, and these have known that thou hast sent me.

Acts 2:42

And they continued in the Apostles' doctrine and fellowship, and in breaking of bread, and in prayer.

Acts 13:32

And we declare unto you, how that the promise made unto the fathers;

Acts 13:41

'Behold ye despisers, and wonder, and perish ye: for I do a work in your days, which ye shall not believe, if a man would declare it you.'"

Acts 20:27

For I have kept nothing back: but have showed you all the counsel of God.

Romans 15:27

It hath pleased them verily, and their debtors are they. For if the gentiles be made partakers of their spiritual things, their duty is to minister unto them in carnal things.

1 Corinthians 1:30

And unto him pertain ye, in Christ Jesus, which of God is made unto us wisdom, and also righteousness, and sanctifying, and redemption.

1 Corinthians 15:1

Brethren as pertaining to the gospel which I preached unto you, which ye have also accepted, and in the which ye continue;

Ephesians 3:6

That the gentiles should be inheritors also, and of the same body, and partakers of his promise that is in Christ, by the means of the gospel,

Philippians 1:7

as it becometh me so to judge of you all, because I have you in my heart, and have you also every one companions of grace with me, even in my bonds as I defend, and establish the gospel.

Colossians 1:13

Which hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear son,

1 Thessalonians 1:10

and for to look for his son from heaven, whom he raised from death: I mean Jesus, which delivereth us from wrath to come.

1 Timothy 6:2

See that they which have believing masters despise them not because they are brethren: but so much the rather do service, forasmuch as they are believing and beloved and partakers of the benefits. These things teach and exhort.

Hebrews 2:12

saying, "I will declare thy name unto my brethren, and in the midst of the congregation will I praise thee."

Hebrews 3:1

Therefore, holy brethren, partakers of the celestial callings, consider the Ambassador and High Priest of our profession, Christ Jesus;

Hebrews 3:14

We are partakers of Christ, if we keep sure unto the end the beginning of the first substance,

1 Peter 5:1

The elders which are among you I exhort, which am also an elder and a witness of the afflictions of Christ, and also a partaker of the glory that shall be opened:

1 John 1:5

And this is the tidings which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.

1 John 2:23-24

Whosoever denieth the son, the same hath not the father.

1 John 5:10-11

He that believeth in the son of God hath the witness in himself. He that believeth not God, maketh him a liar, because he doth not believe the witness that God hath testified of 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 tidings which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.
Psalm 2:7
As for me, I will preach the law, whereof the LORD hath said unto me, "Thou art my son, this day have I begotten thee.
Psalm 22:22
I will declare thy name unto my brethren; in the midst of the congregation will I praise thee.
Isaiah 66:19
Unto them shall I give a token, and send certain of them that be delivered among the Gentiles: into Tarshish, Put and Lud, where men can handle bows; into Tubal also and Javan. The isles far off, that have not heard speak of me, and have not seen my glory, shall preach my praise among the Gentiles
John 17:25
O righteous father, the very world hath not known thee: but I have known thee, and these have known that thou hast sent me.
Acts 13:32
And we declare unto you, how that the promise made unto the fathers;
Acts 20:27
For I have kept nothing back: but have showed you all the counsel of God.
1 Corinthians 15:1
Brethren as pertaining to the gospel which I preached unto you, which ye have also accepted, and in the which ye continue;
Hebrews 2:12
saying, "I will declare thy name unto my brethren, and in the midst of the congregation will I praise thee."

Our fellowship

1 John 1:7
but and if we walk in light even as he is in light, then have we fellowship together, and the blood of Jesus Christ his son cleanseth us from all sin.
1 John 2:23
Whosoever denieth the son, the same hath not the father.
John 14:20
That day shall ye know that I am in my father, and you in me, and I in you.
John 17:3
This is life eternal: that they might know thee, that only very God, and whom thou hast sent, Jesus Christ.
1 Corinthians 1:9
For God is faithful, by whom ye are called unto the fellowship of his son Jesus Christ our Lord.
2 Corinthians 13:14
The grace of our Lord Jesus Christ, and the love of God, and the fellowship of the holy ghost, be with you all. Amen. {The end of the Second Epistle unto the Corinthians, Sent from Philippi, a city in Macedonia, by Titus and Luke}
Philippians 2:1
If there be among you any consolation in Christ, if there be any comfortable love, if there be any fellowship of the spirit, if there be any compassion of mercy:
Philippians 3:10
in knowing him, and the virtue of his resurrection, and the fellowship of his passions, that I might be conformable unto his death,
Hebrews 3:14
We are partakers of Christ, if we keep sure unto the end the beginning of the first substance,

With his

1 John 5:10
He that believeth in the son of God hath the witness in himself. He that believeth not God, maketh him a liar, because he doth not believe the witness that God hath testified of his son.
Colossians 1:13
Which hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear son,
1 Thessalonians 1:10
and for to look for his son from heaven, whom he raised from death: I mean Jesus, which delivereth us from wrath to come.

General references

Numbers 10:32
And if thou go with us, look what goodness the LORD showeth upon us, the same we will show upon thee."
Mark 4:22
For there is nothing so privy, that shall not be opened: neither so secret, but that it shall come abroad.
Luke 24:48
And ye are witnesses of these things.
John 20:30
And many other signs did Jesus in the presence of his disciples, which are not written in this book.
Philippians 1:5
because of the fellowship which ye have in the gospel, from the first day unto now;